From e54d21e44cd4bd50a034dd1bc2ad1f26818cceed Mon Sep 17 00:00:00 2001
From: Florent Biville <fbiville@pivotal.io>
Date: Thu, 2 Apr 2020 12:25:26 +0200
Subject: [PATCH] [#342] Update license header to 2020

Fixes #342
---
 LICENSE_HEADER                                                  | 2 +-
 .../src/main/java/org/liquigraph/cli/LiquigraphCli.java         | 2 +-
 .../src/main/resources-filtered/liquigraph-cli.properties       | 2 +-
 liquigraph-cli/src/main/resources/logback.xml                   | 2 +-
 .../main/java/org/liquigraph/core/api/ChangelogDiffMaker.java   | 2 +-
 .../src/main/java/org/liquigraph/core/api/Liquigraph.java       | 2 +-
 .../src/main/java/org/liquigraph/core/api/MigrationRunner.java  | 2 +-
 .../java/org/liquigraph/core/configuration/Configuration.java   | 2 +-
 .../org/liquigraph/core/configuration/ConfigurationBuilder.java | 2 +-
 .../liquigraph/core/configuration/ConnectionConfiguration.java  | 2 +-
 .../core/configuration/ConnectionConfigurationByDataSource.java | 2 +-
 .../core/configuration/ConnectionConfigurationByUri.java        | 2 +-
 .../main/java/org/liquigraph/core/configuration/DryRunMode.java | 2 +-
 .../org/liquigraph/core/configuration/ExecutionContexts.java    | 2 +-
 .../java/org/liquigraph/core/configuration/ExecutionMode.java   | 2 +-
 .../main/java/org/liquigraph/core/configuration/RunMode.java    | 2 +-
 .../validators/DatasourceConfigurationValidator.java            | 2 +-
 .../core/configuration/validators/ExecutionModeValidator.java   | 2 +-
 .../core/configuration/validators/MandatoryOptionValidator.java | 2 +-
 .../validators/UserCredentialsOptionValidator.java              | 2 +-
 .../liquigraph/core/exception/ConditionExecutionException.java  | 2 +-
 .../org/liquigraph/core/exception/LiquigraphLockException.java  | 2 +-
 .../liquigraph/core/exception/PreconditionNotMetException.java  | 2 +-
 .../main/java/org/liquigraph/core/exception/Preconditions.java  | 2 +-
 .../src/main/java/org/liquigraph/core/exception/Throwables.java | 2 +-
 .../main/java/org/liquigraph/core/io/ChangelogFileWriter.java   | 2 +-
 .../main/java/org/liquigraph/core/io/ChangelogGraphReader.java  | 2 +-
 .../main/java/org/liquigraph/core/io/ChangelogGraphWriter.java  | 2 +-
 .../src/main/java/org/liquigraph/core/io/ChangelogWriter.java   | 2 +-
 .../src/main/java/org/liquigraph/core/io/ConditionExecutor.java | 2 +-
 .../src/main/java/org/liquigraph/core/io/ConditionPrinter.java  | 2 +-
 .../main/java/org/liquigraph/core/io/GraphJdbcConnector.java    | 2 +-
 .../main/java/org/liquigraph/core/io/lock/LiquigraphLock.java   | 2 +-
 .../java/org/liquigraph/core/io/lock/LockableConnection.java    | 2 +-
 .../src/main/java/org/liquigraph/core/io/lock/ShutdownTask.java | 2 +-
 .../java/org/liquigraph/core/io/xml/ChainedEntityResolver.java  | 2 +-
 .../main/java/org/liquigraph/core/io/xml/ChangelogLoader.java   | 2 +-
 .../main/java/org/liquigraph/core/io/xml/ChangelogParser.java   | 2 +-
 .../java/org/liquigraph/core/io/xml/ChangelogPreprocessor.java  | 2 +-
 .../org/liquigraph/core/io/xml/ClassLoaderChangelogLoader.java  | 2 +-
 .../java/org/liquigraph/core/io/xml/DomSourceValidator.java     | 2 +-
 .../org/liquigraph/core/io/xml/DomSourceValidatorFactory.java   | 2 +-
 .../org/liquigraph/core/io/xml/ExplicitSchemaValidator.java     | 2 +-
 .../org/liquigraph/core/io/xml/ImplicitSchemaValidator.java     | 2 +-
 .../main/java/org/liquigraph/core/io/xml/ImportResolver.java    | 2 +-
 .../main/java/org/liquigraph/core/io/xml/IterableNodeList.java  | 2 +-
 .../liquigraph/core/io/xml/LiquigraphLocalEntityResolver.java   | 2 +-
 .../main/java/org/liquigraph/core/io/xml/NodeListIterator.java  | 2 +-
 .../org/liquigraph/core/io/xml/RedirectAwareEntityResolver.java | 2 +-
 .../main/java/org/liquigraph/core/io/xml/SchemaDetector.java    | 2 +-
 .../java/org/liquigraph/core/io/xml/SchemaErrorHandler.java     | 2 +-
 .../java/org/liquigraph/core/io/xml/XmlSchemaValidator.java     | 2 +-
 .../src/main/java/org/liquigraph/core/model/AndQuery.java       | 2 +-
 .../src/main/java/org/liquigraph/core/model/Changelog.java      | 2 +-
 .../src/main/java/org/liquigraph/core/model/Changeset.java      | 2 +-
 .../src/main/java/org/liquigraph/core/model/Checksums.java      | 2 +-
 .../main/java/org/liquigraph/core/model/CompoundQueries.java    | 2 +-
 .../src/main/java/org/liquigraph/core/model/CompoundQuery.java  | 2 +-
 .../src/main/java/org/liquigraph/core/model/Condition.java      | 2 +-
 .../src/main/java/org/liquigraph/core/model/OrQuery.java        | 2 +-
 .../src/main/java/org/liquigraph/core/model/Postcondition.java  | 2 +-
 .../src/main/java/org/liquigraph/core/model/Precondition.java   | 2 +-
 .../java/org/liquigraph/core/model/PreconditionErrorPolicy.java | 2 +-
 .../src/main/java/org/liquigraph/core/model/Query.java          | 2 +-
 .../src/main/java/org/liquigraph/core/model/SimpleQuery.java    | 2 +-
 .../src/main/java/org/liquigraph/core/model/package-info.java   | 2 +-
 .../org/liquigraph/core/model/predicates/ChangesetById.java     | 2 +-
 .../core/model/predicates/ChangesetChecksumHasChanged.java      | 2 +-
 .../model/predicates/ChangesetMatchAnyExecutionContexts.java    | 2 +-
 .../liquigraph/core/model/predicates/ChangesetRunAlways.java    | 2 +-
 .../liquigraph/core/model/predicates/ChangesetRunOnChange.java  | 2 +-
 .../core/model/predicates/ExecutionContextsMatchAnyContext.java | 2 +-
 .../java/org/liquigraph/core/model/predicates/Predicates.java   | 2 +-
 .../liquigraph/core/validation/PersistedChangesetValidator.java | 2 +-
 .../src/main/resources/schema/1.0-RC3/liquigraph.xsd            | 2 +-
 liquigraph-core/src/main/resources/schema/1.0/liquigraph.xsd    | 2 +-
 liquigraph-core/src/main/resources/schema/changelog.xsd         | 2 +-
 .../test/java/org/liquigraph/core/BoltGraphDatabaseRule.java    | 2 +-
 .../src/test/java/org/liquigraph/core/GraphDatabaseRule.java    | 2 +-
 .../java/org/liquigraph/core/GraphIntegrationTestSuite.java     | 2 +-
 .../test/java/org/liquigraph/core/HttpGraphDatabaseRule.java    | 2 +-
 .../java/org/liquigraph/core/api/ChangelogDiffMakerTest.java    | 2 +-
 .../test/java/org/liquigraph/core/api/LiquigraphBoltTest.java   | 2 +-
 .../test/java/org/liquigraph/core/api/LiquigraphHttpTest.java   | 2 +-
 .../test/java/org/liquigraph/core/api/LiquigraphTestSuite.java  | 2 +-
 .../liquigraph/core/configuration/ConfigurationBuilderTest.java | 2 +-
 .../configuration/ConnectionConfigurationByDataSourceTest.java  | 2 +-
 .../core/configuration/ConnectionConfigurationByUriTest.java    | 2 +-
 .../liquigraph/core/configuration/ExecutionContextsTest.java    | 2 +-
 .../validators/DatasourceConfigurationValidatorTest.java        | 2 +-
 .../configuration/validators/MandatoryOptionValidatorTest.java  | 2 +-
 .../java/org/liquigraph/core/io/ChangelogFileWriterTest.java    | 2 +-
 .../org/liquigraph/core/io/ChangelogGraphReaderBoltTest.java    | 2 +-
 .../org/liquigraph/core/io/ChangelogGraphReaderHttpTest.java    | 2 +-
 .../org/liquigraph/core/io/ChangelogGraphReaderTestSuite.java   | 2 +-
 .../org/liquigraph/core/io/ChangelogGraphWriterBoltTest.java    | 2 +-
 .../org/liquigraph/core/io/ChangelogGraphWriterHttpTest.java    | 2 +-
 .../org/liquigraph/core/io/ChangelogGraphWriterTestSuite.java   | 2 +-
 .../java/org/liquigraph/core/io/ConditionExecutorBoltTest.java  | 2 +-
 .../java/org/liquigraph/core/io/ConditionExecutorHttpTest.java  | 2 +-
 .../java/org/liquigraph/core/io/ConditionExecutorTestSuite.java | 2 +-
 .../test/java/org/liquigraph/core/io/ConditionPrinterTest.java  | 2 +-
 .../java/org/liquigraph/core/io/GraphJdbcConnectorBoltTest.java | 2 +-
 .../java/org/liquigraph/core/io/GraphJdbcConnectorHttpTest.java | 2 +-
 .../org/liquigraph/core/io/GraphJdbcConnectorTestSuite.java     | 2 +-
 .../src/test/java/org/liquigraph/core/io/PatternMatcher.java    | 2 +-
 .../java/org/liquigraph/core/io/lock/LiquigraphLockTest.java    | 2 +-
 .../org/liquigraph/core/io/lock/LockableConnectionTest.java     | 2 +-
 .../test/java/org/liquigraph/core/io/lock/ShutdownTaskTest.java | 2 +-
 .../liquigraph/core/io/xml/DomSourceValidatorFactoryTest.java   | 2 +-
 .../src/test/java/org/liquigraph/core/io/xml/DomSources.java    | 2 +-
 .../core/io/xml/ExplicitSchemaValidatorOfflineTest.java         | 2 +-
 .../core/io/xml/ImplicitSchemaValidatorOfflineTest.java         | 2 +-
 .../java/org/liquigraph/core/io/xml/ImportResolverTest.java     | 2 +-
 .../java/org/liquigraph/core/io/xml/SchemaDetectorTest.java     | 2 +-
 .../src/test/java/org/liquigraph/core/model/AndQueryTest.java   | 2 +-
 .../src/test/java/org/liquigraph/core/model/ChangesetTest.java  | 2 +-
 .../src/test/java/org/liquigraph/core/model/ChecksumsTest.java  | 2 +-
 .../src/test/java/org/liquigraph/core/model/OrQueryTest.java    | 2 +-
 .../test/java/org/liquigraph/core/model/PostconditionTest.java  | 2 +-
 .../test/java/org/liquigraph/core/model/PreconditionTest.java   | 2 +-
 .../test/java/org/liquigraph/core/model/SimpleQueryTest.java    | 2 +-
 .../org/liquigraph/core/model/predicates/ChangesetByIdTest.java | 2 +-
 .../core/model/predicates/ChangesetChecksumHasChangedTest.java  | 2 +-
 .../java/org/liquigraph/core/parser/ChangelogParserTest.java    | 2 +-
 .../core/validation/PersistedChangesetValidatorTest.java        | 2 +-
 .../org/liquigraph/core/validation/XmlSchemaValidatorTest.java  | 2 +-
 .../src/test/resources/changelog/changelog-edited.xml           | 2 +-
 .../src/test/resources/changelog/changelog-of-changelogs.xml    | 2 +-
 .../changelog/changelog-same-level-import-included.xml          | 2 +-
 .../test/resources/changelog/changelog-same-level-import.xml    | 2 +-
 .../src/test/resources/changelog/changelog-with-1-node.xml      | 2 +-
 .../resources/changelog/changelog-with-RC3-schema-location.xml  | 2 +-
 .../resources/changelog/changelog-with-execution-contexts.xml   | 2 +-
 .../resources/changelog/changelog-with-nested-preconditions.xml | 2 +-
 .../changelog/changelog-with-old-RC3-schema-location.xml        | 2 +-
 .../resources/changelog/changelog-with-old-schema-location.xml  | 2 +-
 .../test/resources/changelog/changelog-with-preconditions.xml   | 2 +-
 .../src/test/resources/changelog/changelog-with-run-modes.xml   | 2 +-
 .../test/resources/changelog/changelog-with-schema-location.xml | 2 +-
 liquigraph-core/src/test/resources/changelog/changelog.xml      | 2 +-
 .../resources/changelog/includes/deeply-nested-changelog.xml    | 2 +-
 .../src/test/resources/changelog/includes/inc/inc1.xml          | 2 +-
 .../src/test/resources/changelog/includes/inc/inc2.xml          | 2 +-
 .../test/resources/changelog/includes/inc/mooore_inc/bye.xml    | 2 +-
 .../test/resources/changelog/includes/inc/mooore_inc/bye2.xml   | 2 +-
 .../test/resources/changelog/includes/inc/mooore_inc/bye3.xml   | 2 +-
 .../test/resources/changelog/includes/inc/subchangelog-1.xml    | 2 +-
 .../src/test/resources/changelog/includes/included.xml          | 2 +-
 .../src/test/resources/changelog/includes/invalid_include.xml   | 2 +-
 .../src/test/resources/changelog/includes/subchangelog-2.xml    | 2 +-
 .../changelog/invalid_changesets/changelog-invalid-query.xml    | 2 +-
 .../changelog/invalid_changesets/changelog-malformed.xml        | 2 +-
 .../invalid_changesets/changelog-with-duplicate-ids.xml         | 2 +-
 .../changelog-with-invalid-precondition-query.xml               | 2 +-
 .../changelog/invalid_changesets/changelog-without-author.xml   | 2 +-
 .../changelog/invalid_changesets/changelog-without-id.xml       | 2 +-
 .../changelog/invalid_changesets/changelog-without-query.xml    | 2 +-
 .../src/test/resources/changelog/multiple_queries/changelog.xml | 2 +-
 liquigraph-core/src/test/resources/logback-test.xml             | 2 +-
 liquigraph-core/src/test/resources/schema/schema-changelog.xml  | 2 +-
 .../resources/schema/schema-creation-with-preconditions.xml     | 2 +-
 liquigraph-core/src/test/resources/schema/schema-creation.xml   | 2 +-
 .../test/resources/schema/schema-preconditions-changelog.xml    | 2 +-
 .../main/java/org/liquigraph/examples/dagger2/Application.java  | 2 +-
 .../src/main/java/org/liquigraph/examples/dagger2/Sockets.java  | 2 +-
 .../examples/dagger2/configuration/DataComponent.java           | 2 +-
 .../liquigraph/examples/dagger2/configuration/DataModule.java   | 2 +-
 .../java/org/liquigraph/examples/dagger2/domain/Sentence.java   | 2 +-
 .../examples/dagger2/repository/LiquigraphClient.java           | 2 +-
 .../examples/dagger2/repository/SentenceRepository.java         | 2 +-
 liquigraph-examples/dagger2/src/main/resources/changelog.xml    | 2 +-
 .../dagger2/src/main/resources/datasource.properties            | 2 +-
 .../java/org/liquigraph/examples/dagger2/ApplicationTest.java   | 2 +-
 .../test/java/org/liquigraph/examples/dagger2/Neo4jVersion.java | 2 +-
 .../org/liquigraph/examples/dagger2/Neo4jVersionReader.java     | 2 +-
 liquigraph-examples/dagger2/src/test/resources/neo4j.properties | 2 +-
 .../java/org/liquigraph/examples/spring/SampleController.java   | 2 +-
 .../spring-boot/src/main/resources/application.properties       | 2 +-
 .../spring-boot/src/main/resources/db/liquigraph/changelog.xml  | 2 +-
 .../org/liquigraph/examples/spring/SampleControllerTest.java    | 2 +-
 .../spring-boot/src/test/resources/application.properties       | 2 +-
 .../spring-boot/src/test/resources/logback-test.xml             | 2 +-
 .../src/main/java/org/liquigraph/maven/DryRunMojo.java          | 2 +-
 .../src/main/java/org/liquigraph/maven/LiquigraphMojoBase.java  | 2 +-
 .../src/main/java/org/liquigraph/maven/ProjectClassLoader.java  | 2 +-
 .../src/main/java/org/liquigraph/maven/RunMojo.java             | 2 +-
 .../main/java/org/liquigraph/spring/SpringChangelogLoader.java  | 2 +-
 .../src/main/java/org/liquigraph/spring/SpringLiquigraph.java   | 2 +-
 .../liquigraph/spring/starter/LiquigraphAutoConfiguration.java  | 2 +-
 .../org/liquigraph/spring/starter/LiquigraphDataSource.java     | 2 +-
 .../org/liquigraph/spring/starter/LiquigraphProperties.java     | 2 +-
 .../main/java/org/liquigraph/spring/starter/package-info.java   | 2 +-
 .../org/liquigraph/spring/LiquigraphAutoconfigurationTest.java  | 2 +-
 .../src/test/resources/application.properties                   | 2 +-
 .../test/resources/db/liquigraph/changelog-with-contexts.xml    | 2 +-
 .../src/test/resources/db/liquigraph/changelog.xml              | 2 +-
 .../src/test/resources/logback-test.xml                         | 2 +-
 198 files changed, 198 insertions(+), 198 deletions(-)

diff --git a/LICENSE_HEADER b/LICENSE_HEADER
index 217f0c91..336f70ff 100644
--- a/LICENSE_HEADER
+++ b/LICENSE_HEADER
@@ -1,4 +1,4 @@
-Copyright 2014-2018 the original author or authors.
+Copyright 2014-2020 the original author or authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/liquigraph-cli/src/main/java/org/liquigraph/cli/LiquigraphCli.java b/liquigraph-cli/src/main/java/org/liquigraph/cli/LiquigraphCli.java
index bee28d93..f7336d17 100644
--- a/liquigraph-cli/src/main/java/org/liquigraph/cli/LiquigraphCli.java
+++ b/liquigraph-cli/src/main/java/org/liquigraph/cli/LiquigraphCli.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-cli/src/main/resources-filtered/liquigraph-cli.properties b/liquigraph-cli/src/main/resources-filtered/liquigraph-cli.properties
index b6eff011..c02f530b 100644
--- a/liquigraph-cli/src/main/resources-filtered/liquigraph-cli.properties
+++ b/liquigraph-cli/src/main/resources-filtered/liquigraph-cli.properties
@@ -1,5 +1,5 @@
 #
-# Copyright 2014-2018 the original author or authors.
+# Copyright 2014-2020 the original author or authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/liquigraph-cli/src/main/resources/logback.xml b/liquigraph-cli/src/main/resources/logback.xml
index 2c6aae75..2081ea11 100644
--- a/liquigraph-cli/src/main/resources/logback.xml
+++ b/liquigraph-cli/src/main/resources/logback.xml
@@ -1,6 +1,6 @@
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/api/ChangelogDiffMaker.java b/liquigraph-core/src/main/java/org/liquigraph/core/api/ChangelogDiffMaker.java
index 6cc93cb4..74b1299e 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/api/ChangelogDiffMaker.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/api/ChangelogDiffMaker.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/api/Liquigraph.java b/liquigraph-core/src/main/java/org/liquigraph/core/api/Liquigraph.java
index 7ee4694d..66d1b0bd 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/api/Liquigraph.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/api/Liquigraph.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/api/MigrationRunner.java b/liquigraph-core/src/main/java/org/liquigraph/core/api/MigrationRunner.java
index dd9c2e16..b22a4171 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/api/MigrationRunner.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/api/MigrationRunner.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/configuration/Configuration.java b/liquigraph-core/src/main/java/org/liquigraph/core/configuration/Configuration.java
index 389f2677..32e4689d 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/configuration/Configuration.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/configuration/Configuration.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/configuration/ConfigurationBuilder.java b/liquigraph-core/src/main/java/org/liquigraph/core/configuration/ConfigurationBuilder.java
index bb707032..fecc970c 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/configuration/ConfigurationBuilder.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/configuration/ConfigurationBuilder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/configuration/ConnectionConfiguration.java b/liquigraph-core/src/main/java/org/liquigraph/core/configuration/ConnectionConfiguration.java
index fd00cf87..fd190f30 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/configuration/ConnectionConfiguration.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/configuration/ConnectionConfiguration.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/configuration/ConnectionConfigurationByDataSource.java b/liquigraph-core/src/main/java/org/liquigraph/core/configuration/ConnectionConfigurationByDataSource.java
index 447b0f15..8c07b414 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/configuration/ConnectionConfigurationByDataSource.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/configuration/ConnectionConfigurationByDataSource.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/configuration/ConnectionConfigurationByUri.java b/liquigraph-core/src/main/java/org/liquigraph/core/configuration/ConnectionConfigurationByUri.java
index 88bc40ab..0547251a 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/configuration/ConnectionConfigurationByUri.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/configuration/ConnectionConfigurationByUri.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/configuration/DryRunMode.java b/liquigraph-core/src/main/java/org/liquigraph/core/configuration/DryRunMode.java
index 96b14e79..5764d150 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/configuration/DryRunMode.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/configuration/DryRunMode.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/configuration/ExecutionContexts.java b/liquigraph-core/src/main/java/org/liquigraph/core/configuration/ExecutionContexts.java
index 12fb5443..f9c41a5c 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/configuration/ExecutionContexts.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/configuration/ExecutionContexts.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/configuration/ExecutionMode.java b/liquigraph-core/src/main/java/org/liquigraph/core/configuration/ExecutionMode.java
index 33893ae2..87a79ae4 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/configuration/ExecutionMode.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/configuration/ExecutionMode.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/configuration/RunMode.java b/liquigraph-core/src/main/java/org/liquigraph/core/configuration/RunMode.java
index 2de6b880..4d6beaa6 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/configuration/RunMode.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/configuration/RunMode.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/configuration/validators/DatasourceConfigurationValidator.java b/liquigraph-core/src/main/java/org/liquigraph/core/configuration/validators/DatasourceConfigurationValidator.java
index 741b0c57..81bd8e13 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/configuration/validators/DatasourceConfigurationValidator.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/configuration/validators/DatasourceConfigurationValidator.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/configuration/validators/ExecutionModeValidator.java b/liquigraph-core/src/main/java/org/liquigraph/core/configuration/validators/ExecutionModeValidator.java
index 86a48afb..ccca280e 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/configuration/validators/ExecutionModeValidator.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/configuration/validators/ExecutionModeValidator.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/configuration/validators/MandatoryOptionValidator.java b/liquigraph-core/src/main/java/org/liquigraph/core/configuration/validators/MandatoryOptionValidator.java
index 16553189..24bb1c91 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/configuration/validators/MandatoryOptionValidator.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/configuration/validators/MandatoryOptionValidator.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/configuration/validators/UserCredentialsOptionValidator.java b/liquigraph-core/src/main/java/org/liquigraph/core/configuration/validators/UserCredentialsOptionValidator.java
index 5f6c37b3..8dcc6843 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/configuration/validators/UserCredentialsOptionValidator.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/configuration/validators/UserCredentialsOptionValidator.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/exception/ConditionExecutionException.java b/liquigraph-core/src/main/java/org/liquigraph/core/exception/ConditionExecutionException.java
index 12b3b133..1985090f 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/exception/ConditionExecutionException.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/exception/ConditionExecutionException.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/exception/LiquigraphLockException.java b/liquigraph-core/src/main/java/org/liquigraph/core/exception/LiquigraphLockException.java
index fe2f4c35..64da3245 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/exception/LiquigraphLockException.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/exception/LiquigraphLockException.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/exception/PreconditionNotMetException.java b/liquigraph-core/src/main/java/org/liquigraph/core/exception/PreconditionNotMetException.java
index 0a42329e..ed6c0dd1 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/exception/PreconditionNotMetException.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/exception/PreconditionNotMetException.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/exception/Preconditions.java b/liquigraph-core/src/main/java/org/liquigraph/core/exception/Preconditions.java
index 469ef594..89e950ac 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/exception/Preconditions.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/exception/Preconditions.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/exception/Throwables.java b/liquigraph-core/src/main/java/org/liquigraph/core/exception/Throwables.java
index f7dc2026..6987f6db 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/exception/Throwables.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/exception/Throwables.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/io/ChangelogFileWriter.java b/liquigraph-core/src/main/java/org/liquigraph/core/io/ChangelogFileWriter.java
index bba75f5b..a2823332 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/io/ChangelogFileWriter.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/io/ChangelogFileWriter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/io/ChangelogGraphReader.java b/liquigraph-core/src/main/java/org/liquigraph/core/io/ChangelogGraphReader.java
index 29f5ec80..b0351e44 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/io/ChangelogGraphReader.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/io/ChangelogGraphReader.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/io/ChangelogGraphWriter.java b/liquigraph-core/src/main/java/org/liquigraph/core/io/ChangelogGraphWriter.java
index 96779170..d29a6069 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/io/ChangelogGraphWriter.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/io/ChangelogGraphWriter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/io/ChangelogWriter.java b/liquigraph-core/src/main/java/org/liquigraph/core/io/ChangelogWriter.java
index bd7f6b70..340dcd85 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/io/ChangelogWriter.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/io/ChangelogWriter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/io/ConditionExecutor.java b/liquigraph-core/src/main/java/org/liquigraph/core/io/ConditionExecutor.java
index 209847a5..fed27d5b 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/io/ConditionExecutor.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/io/ConditionExecutor.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/io/ConditionPrinter.java b/liquigraph-core/src/main/java/org/liquigraph/core/io/ConditionPrinter.java
index 7a7845a9..30fa651c 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/io/ConditionPrinter.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/io/ConditionPrinter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/io/GraphJdbcConnector.java b/liquigraph-core/src/main/java/org/liquigraph/core/io/GraphJdbcConnector.java
index 29807ab0..f48fa3b2 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/io/GraphJdbcConnector.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/io/GraphJdbcConnector.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/io/lock/LiquigraphLock.java b/liquigraph-core/src/main/java/org/liquigraph/core/io/lock/LiquigraphLock.java
index 93677c0e..4e3a95cc 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/io/lock/LiquigraphLock.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/io/lock/LiquigraphLock.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/io/lock/LockableConnection.java b/liquigraph-core/src/main/java/org/liquigraph/core/io/lock/LockableConnection.java
index 7d595048..ccc4c430 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/io/lock/LockableConnection.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/io/lock/LockableConnection.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/io/lock/ShutdownTask.java b/liquigraph-core/src/main/java/org/liquigraph/core/io/lock/ShutdownTask.java
index 6d5a0e42..a15eb5f9 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/io/lock/ShutdownTask.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/io/lock/ShutdownTask.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ChainedEntityResolver.java b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ChainedEntityResolver.java
index a44b8d29..0584aa3f 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ChainedEntityResolver.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ChainedEntityResolver.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ChangelogLoader.java b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ChangelogLoader.java
index 03c6aeda..9d2ee7cc 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ChangelogLoader.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ChangelogLoader.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ChangelogParser.java b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ChangelogParser.java
index 88bf8bb6..b761c7cd 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ChangelogParser.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ChangelogParser.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ChangelogPreprocessor.java b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ChangelogPreprocessor.java
index 3e4f9a81..be4d9975 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ChangelogPreprocessor.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ChangelogPreprocessor.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ClassLoaderChangelogLoader.java b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ClassLoaderChangelogLoader.java
index 0d614bd9..330f1fc6 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ClassLoaderChangelogLoader.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ClassLoaderChangelogLoader.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/DomSourceValidator.java b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/DomSourceValidator.java
index e4f90e35..d8acdc09 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/DomSourceValidator.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/DomSourceValidator.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/DomSourceValidatorFactory.java b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/DomSourceValidatorFactory.java
index a9575d89..63cef00b 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/DomSourceValidatorFactory.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/DomSourceValidatorFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ExplicitSchemaValidator.java b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ExplicitSchemaValidator.java
index 8e6920c4..21f7e683 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ExplicitSchemaValidator.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ExplicitSchemaValidator.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ImplicitSchemaValidator.java b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ImplicitSchemaValidator.java
index ce9f80b0..fd7c2e12 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ImplicitSchemaValidator.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ImplicitSchemaValidator.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ImportResolver.java b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ImportResolver.java
index 6483c258..3b0d4278 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ImportResolver.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/ImportResolver.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/IterableNodeList.java b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/IterableNodeList.java
index 49b691c8..19455936 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/IterableNodeList.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/IterableNodeList.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/LiquigraphLocalEntityResolver.java b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/LiquigraphLocalEntityResolver.java
index c65d7339..8bd56905 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/LiquigraphLocalEntityResolver.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/LiquigraphLocalEntityResolver.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/NodeListIterator.java b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/NodeListIterator.java
index 02133efc..01b43ba4 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/NodeListIterator.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/NodeListIterator.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/RedirectAwareEntityResolver.java b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/RedirectAwareEntityResolver.java
index 48691a44..79fa7cfc 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/RedirectAwareEntityResolver.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/RedirectAwareEntityResolver.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/SchemaDetector.java b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/SchemaDetector.java
index 39ac59d4..3547b9fc 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/SchemaDetector.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/SchemaDetector.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/SchemaErrorHandler.java b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/SchemaErrorHandler.java
index 3f75ae6b..d80f4181 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/SchemaErrorHandler.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/SchemaErrorHandler.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/XmlSchemaValidator.java b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/XmlSchemaValidator.java
index 04841f0d..dc317cac 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/XmlSchemaValidator.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/io/xml/XmlSchemaValidator.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/model/AndQuery.java b/liquigraph-core/src/main/java/org/liquigraph/core/model/AndQuery.java
index a92110e6..067ed9bf 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/model/AndQuery.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/model/AndQuery.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/model/Changelog.java b/liquigraph-core/src/main/java/org/liquigraph/core/model/Changelog.java
index 662446d9..e044de6b 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/model/Changelog.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/model/Changelog.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/model/Changeset.java b/liquigraph-core/src/main/java/org/liquigraph/core/model/Changeset.java
index 8b02e602..5c86f582 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/model/Changeset.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/model/Changeset.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/model/Checksums.java b/liquigraph-core/src/main/java/org/liquigraph/core/model/Checksums.java
index 5ebc199d..02243751 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/model/Checksums.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/model/Checksums.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/model/CompoundQueries.java b/liquigraph-core/src/main/java/org/liquigraph/core/model/CompoundQueries.java
index 7f2ea649..397b6a32 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/model/CompoundQueries.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/model/CompoundQueries.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/model/CompoundQuery.java b/liquigraph-core/src/main/java/org/liquigraph/core/model/CompoundQuery.java
index 55ec461d..958558f9 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/model/CompoundQuery.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/model/CompoundQuery.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/model/Condition.java b/liquigraph-core/src/main/java/org/liquigraph/core/model/Condition.java
index 921c3050..d1b8d78b 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/model/Condition.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/model/Condition.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/model/OrQuery.java b/liquigraph-core/src/main/java/org/liquigraph/core/model/OrQuery.java
index 5af361a8..a40448f5 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/model/OrQuery.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/model/OrQuery.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/model/Postcondition.java b/liquigraph-core/src/main/java/org/liquigraph/core/model/Postcondition.java
index 26beeb83..7a791053 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/model/Postcondition.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/model/Postcondition.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/model/Precondition.java b/liquigraph-core/src/main/java/org/liquigraph/core/model/Precondition.java
index e61ee21c..037d2bcd 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/model/Precondition.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/model/Precondition.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/model/PreconditionErrorPolicy.java b/liquigraph-core/src/main/java/org/liquigraph/core/model/PreconditionErrorPolicy.java
index 68f90db5..a1d4854e 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/model/PreconditionErrorPolicy.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/model/PreconditionErrorPolicy.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/model/Query.java b/liquigraph-core/src/main/java/org/liquigraph/core/model/Query.java
index cf46a80b..ae9c7dfe 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/model/Query.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/model/Query.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/model/SimpleQuery.java b/liquigraph-core/src/main/java/org/liquigraph/core/model/SimpleQuery.java
index a06126f3..925c15ca 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/model/SimpleQuery.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/model/SimpleQuery.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/model/package-info.java b/liquigraph-core/src/main/java/org/liquigraph/core/model/package-info.java
index 7e359d20..c404d1d7 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/model/package-info.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/model/package-info.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/model/predicates/ChangesetById.java b/liquigraph-core/src/main/java/org/liquigraph/core/model/predicates/ChangesetById.java
index d7d5e5c3..84092136 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/model/predicates/ChangesetById.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/model/predicates/ChangesetById.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/model/predicates/ChangesetChecksumHasChanged.java b/liquigraph-core/src/main/java/org/liquigraph/core/model/predicates/ChangesetChecksumHasChanged.java
index 55e99896..ec93f5a6 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/model/predicates/ChangesetChecksumHasChanged.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/model/predicates/ChangesetChecksumHasChanged.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/model/predicates/ChangesetMatchAnyExecutionContexts.java b/liquigraph-core/src/main/java/org/liquigraph/core/model/predicates/ChangesetMatchAnyExecutionContexts.java
index c4955670..0d65f8e5 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/model/predicates/ChangesetMatchAnyExecutionContexts.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/model/predicates/ChangesetMatchAnyExecutionContexts.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/model/predicates/ChangesetRunAlways.java b/liquigraph-core/src/main/java/org/liquigraph/core/model/predicates/ChangesetRunAlways.java
index 037e3327..3ae716c9 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/model/predicates/ChangesetRunAlways.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/model/predicates/ChangesetRunAlways.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/model/predicates/ChangesetRunOnChange.java b/liquigraph-core/src/main/java/org/liquigraph/core/model/predicates/ChangesetRunOnChange.java
index b45efc88..ce40bfc5 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/model/predicates/ChangesetRunOnChange.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/model/predicates/ChangesetRunOnChange.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/model/predicates/ExecutionContextsMatchAnyContext.java b/liquigraph-core/src/main/java/org/liquigraph/core/model/predicates/ExecutionContextsMatchAnyContext.java
index 2637a99b..69cec173 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/model/predicates/ExecutionContextsMatchAnyContext.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/model/predicates/ExecutionContextsMatchAnyContext.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/model/predicates/Predicates.java b/liquigraph-core/src/main/java/org/liquigraph/core/model/predicates/Predicates.java
index e3087812..02afed7f 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/model/predicates/Predicates.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/model/predicates/Predicates.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/java/org/liquigraph/core/validation/PersistedChangesetValidator.java b/liquigraph-core/src/main/java/org/liquigraph/core/validation/PersistedChangesetValidator.java
index 785bdd48..949b35b0 100644
--- a/liquigraph-core/src/main/java/org/liquigraph/core/validation/PersistedChangesetValidator.java
+++ b/liquigraph-core/src/main/java/org/liquigraph/core/validation/PersistedChangesetValidator.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/resources/schema/1.0-RC3/liquigraph.xsd b/liquigraph-core/src/main/resources/schema/1.0-RC3/liquigraph.xsd
index fd52598c..cfe25ba3 100644
--- a/liquigraph-core/src/main/resources/schema/1.0-RC3/liquigraph.xsd
+++ b/liquigraph-core/src/main/resources/schema/1.0-RC3/liquigraph.xsd
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/resources/schema/1.0/liquigraph.xsd b/liquigraph-core/src/main/resources/schema/1.0/liquigraph.xsd
index f8c64ab3..a6b77a08 100644
--- a/liquigraph-core/src/main/resources/schema/1.0/liquigraph.xsd
+++ b/liquigraph-core/src/main/resources/schema/1.0/liquigraph.xsd
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/main/resources/schema/changelog.xsd b/liquigraph-core/src/main/resources/schema/changelog.xsd
index f8c64ab3..a6b77a08 100644
--- a/liquigraph-core/src/main/resources/schema/changelog.xsd
+++ b/liquigraph-core/src/main/resources/schema/changelog.xsd
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/BoltGraphDatabaseRule.java b/liquigraph-core/src/test/java/org/liquigraph/core/BoltGraphDatabaseRule.java
index 646d0fb7..95b9746e 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/BoltGraphDatabaseRule.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/BoltGraphDatabaseRule.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/GraphDatabaseRule.java b/liquigraph-core/src/test/java/org/liquigraph/core/GraphDatabaseRule.java
index 3d64126a..52b278f3 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/GraphDatabaseRule.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/GraphDatabaseRule.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/GraphIntegrationTestSuite.java b/liquigraph-core/src/test/java/org/liquigraph/core/GraphIntegrationTestSuite.java
index d12531ea..83f5ca48 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/GraphIntegrationTestSuite.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/GraphIntegrationTestSuite.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/HttpGraphDatabaseRule.java b/liquigraph-core/src/test/java/org/liquigraph/core/HttpGraphDatabaseRule.java
index e4ae89dd..52bea269 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/HttpGraphDatabaseRule.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/HttpGraphDatabaseRule.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/api/ChangelogDiffMakerTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/api/ChangelogDiffMakerTest.java
index aff5c2e4..390d90d3 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/api/ChangelogDiffMakerTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/api/ChangelogDiffMakerTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/api/LiquigraphBoltTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/api/LiquigraphBoltTest.java
index 7be3f22e..fdbfe499 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/api/LiquigraphBoltTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/api/LiquigraphBoltTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/api/LiquigraphHttpTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/api/LiquigraphHttpTest.java
index 55fb9b37..00b7bb33 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/api/LiquigraphHttpTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/api/LiquigraphHttpTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/api/LiquigraphTestSuite.java b/liquigraph-core/src/test/java/org/liquigraph/core/api/LiquigraphTestSuite.java
index 14a0ff0a..fef2a07c 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/api/LiquigraphTestSuite.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/api/LiquigraphTestSuite.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/configuration/ConfigurationBuilderTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/configuration/ConfigurationBuilderTest.java
index 5f05a307..32978f03 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/configuration/ConfigurationBuilderTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/configuration/ConfigurationBuilderTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/configuration/ConnectionConfigurationByDataSourceTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/configuration/ConnectionConfigurationByDataSourceTest.java
index 651bd5f5..2c8370cb 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/configuration/ConnectionConfigurationByDataSourceTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/configuration/ConnectionConfigurationByDataSourceTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/configuration/ConnectionConfigurationByUriTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/configuration/ConnectionConfigurationByUriTest.java
index 1d716ded..736faa5a 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/configuration/ConnectionConfigurationByUriTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/configuration/ConnectionConfigurationByUriTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/configuration/ExecutionContextsTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/configuration/ExecutionContextsTest.java
index 8844142c..b7955255 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/configuration/ExecutionContextsTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/configuration/ExecutionContextsTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/configuration/validators/DatasourceConfigurationValidatorTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/configuration/validators/DatasourceConfigurationValidatorTest.java
index 65f18bc8..9c02a27c 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/configuration/validators/DatasourceConfigurationValidatorTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/configuration/validators/DatasourceConfigurationValidatorTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/configuration/validators/MandatoryOptionValidatorTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/configuration/validators/MandatoryOptionValidatorTest.java
index 6e97b1cf..af0be9f2 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/configuration/validators/MandatoryOptionValidatorTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/configuration/validators/MandatoryOptionValidatorTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/io/ChangelogFileWriterTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/io/ChangelogFileWriterTest.java
index e1864106..ba277123 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/io/ChangelogFileWriterTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/io/ChangelogFileWriterTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/io/ChangelogGraphReaderBoltTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/io/ChangelogGraphReaderBoltTest.java
index cbe8393e..83b6d8fb 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/io/ChangelogGraphReaderBoltTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/io/ChangelogGraphReaderBoltTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/io/ChangelogGraphReaderHttpTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/io/ChangelogGraphReaderHttpTest.java
index a7d777e9..558e6733 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/io/ChangelogGraphReaderHttpTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/io/ChangelogGraphReaderHttpTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/io/ChangelogGraphReaderTestSuite.java b/liquigraph-core/src/test/java/org/liquigraph/core/io/ChangelogGraphReaderTestSuite.java
index cda66c9a..740821b4 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/io/ChangelogGraphReaderTestSuite.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/io/ChangelogGraphReaderTestSuite.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/io/ChangelogGraphWriterBoltTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/io/ChangelogGraphWriterBoltTest.java
index 41339f9d..5cd55afc 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/io/ChangelogGraphWriterBoltTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/io/ChangelogGraphWriterBoltTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/io/ChangelogGraphWriterHttpTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/io/ChangelogGraphWriterHttpTest.java
index c75e67d3..90f87b54 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/io/ChangelogGraphWriterHttpTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/io/ChangelogGraphWriterHttpTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/io/ChangelogGraphWriterTestSuite.java b/liquigraph-core/src/test/java/org/liquigraph/core/io/ChangelogGraphWriterTestSuite.java
index 52a6377a..c98ec04a 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/io/ChangelogGraphWriterTestSuite.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/io/ChangelogGraphWriterTestSuite.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/io/ConditionExecutorBoltTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/io/ConditionExecutorBoltTest.java
index 196aad1e..ee4d2a64 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/io/ConditionExecutorBoltTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/io/ConditionExecutorBoltTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/io/ConditionExecutorHttpTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/io/ConditionExecutorHttpTest.java
index bee47741..6fc78472 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/io/ConditionExecutorHttpTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/io/ConditionExecutorHttpTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/io/ConditionExecutorTestSuite.java b/liquigraph-core/src/test/java/org/liquigraph/core/io/ConditionExecutorTestSuite.java
index 809bbc3d..fcb66c7f 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/io/ConditionExecutorTestSuite.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/io/ConditionExecutorTestSuite.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/io/ConditionPrinterTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/io/ConditionPrinterTest.java
index aef70546..b2e9b423 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/io/ConditionPrinterTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/io/ConditionPrinterTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/io/GraphJdbcConnectorBoltTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/io/GraphJdbcConnectorBoltTest.java
index 552033d0..4e24d3f6 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/io/GraphJdbcConnectorBoltTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/io/GraphJdbcConnectorBoltTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/io/GraphJdbcConnectorHttpTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/io/GraphJdbcConnectorHttpTest.java
index 7b4e9455..7f13d27a 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/io/GraphJdbcConnectorHttpTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/io/GraphJdbcConnectorHttpTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/io/GraphJdbcConnectorTestSuite.java b/liquigraph-core/src/test/java/org/liquigraph/core/io/GraphJdbcConnectorTestSuite.java
index 8b2a65c6..d4b67f12 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/io/GraphJdbcConnectorTestSuite.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/io/GraphJdbcConnectorTestSuite.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/io/PatternMatcher.java b/liquigraph-core/src/test/java/org/liquigraph/core/io/PatternMatcher.java
index 1322dfaa..5b6c959d 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/io/PatternMatcher.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/io/PatternMatcher.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/io/lock/LiquigraphLockTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/io/lock/LiquigraphLockTest.java
index fb414d07..b81c63fc 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/io/lock/LiquigraphLockTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/io/lock/LiquigraphLockTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/io/lock/LockableConnectionTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/io/lock/LockableConnectionTest.java
index d3493add..22bf8295 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/io/lock/LockableConnectionTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/io/lock/LockableConnectionTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/io/lock/ShutdownTaskTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/io/lock/ShutdownTaskTest.java
index 831476b6..9fa976b7 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/io/lock/ShutdownTaskTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/io/lock/ShutdownTaskTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/io/xml/DomSourceValidatorFactoryTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/io/xml/DomSourceValidatorFactoryTest.java
index 62144a30..6d54efa5 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/io/xml/DomSourceValidatorFactoryTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/io/xml/DomSourceValidatorFactoryTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/io/xml/DomSources.java b/liquigraph-core/src/test/java/org/liquigraph/core/io/xml/DomSources.java
index 993bebb3..716fabc5 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/io/xml/DomSources.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/io/xml/DomSources.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/io/xml/ExplicitSchemaValidatorOfflineTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/io/xml/ExplicitSchemaValidatorOfflineTest.java
index e798eaa8..de8427ef 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/io/xml/ExplicitSchemaValidatorOfflineTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/io/xml/ExplicitSchemaValidatorOfflineTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/io/xml/ImplicitSchemaValidatorOfflineTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/io/xml/ImplicitSchemaValidatorOfflineTest.java
index bc37e7e9..acd279be 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/io/xml/ImplicitSchemaValidatorOfflineTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/io/xml/ImplicitSchemaValidatorOfflineTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/io/xml/ImportResolverTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/io/xml/ImportResolverTest.java
index a61509b7..7ef53f5a 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/io/xml/ImportResolverTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/io/xml/ImportResolverTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/io/xml/SchemaDetectorTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/io/xml/SchemaDetectorTest.java
index 9d7e89a5..d3398cd8 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/io/xml/SchemaDetectorTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/io/xml/SchemaDetectorTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/model/AndQueryTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/model/AndQueryTest.java
index 6d4ee4ba..3ba03fa5 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/model/AndQueryTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/model/AndQueryTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/model/ChangesetTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/model/ChangesetTest.java
index e0c84bc3..d33284ea 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/model/ChangesetTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/model/ChangesetTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/model/ChecksumsTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/model/ChecksumsTest.java
index 0bc69951..4088f1ac 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/model/ChecksumsTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/model/ChecksumsTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/model/OrQueryTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/model/OrQueryTest.java
index b1ab1753..a1a9babf 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/model/OrQueryTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/model/OrQueryTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/model/PostconditionTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/model/PostconditionTest.java
index cfaeff30..487dae3f 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/model/PostconditionTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/model/PostconditionTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/model/PreconditionTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/model/PreconditionTest.java
index 0f6a0238..7aea9b8c 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/model/PreconditionTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/model/PreconditionTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/model/SimpleQueryTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/model/SimpleQueryTest.java
index 1e89deba..896eb2c9 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/model/SimpleQueryTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/model/SimpleQueryTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/model/predicates/ChangesetByIdTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/model/predicates/ChangesetByIdTest.java
index 762164fe..b2cc9251 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/model/predicates/ChangesetByIdTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/model/predicates/ChangesetByIdTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/model/predicates/ChangesetChecksumHasChangedTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/model/predicates/ChangesetChecksumHasChangedTest.java
index 87802b9a..63cff295 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/model/predicates/ChangesetChecksumHasChangedTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/model/predicates/ChangesetChecksumHasChangedTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/parser/ChangelogParserTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/parser/ChangelogParserTest.java
index 16f02b07..21dbf0a7 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/parser/ChangelogParserTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/parser/ChangelogParserTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/validation/PersistedChangesetValidatorTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/validation/PersistedChangesetValidatorTest.java
index 23423220..341411a6 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/validation/PersistedChangesetValidatorTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/validation/PersistedChangesetValidatorTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/java/org/liquigraph/core/validation/XmlSchemaValidatorTest.java b/liquigraph-core/src/test/java/org/liquigraph/core/validation/XmlSchemaValidatorTest.java
index 0eb7708b..bcd8879c 100644
--- a/liquigraph-core/src/test/java/org/liquigraph/core/validation/XmlSchemaValidatorTest.java
+++ b/liquigraph-core/src/test/java/org/liquigraph/core/validation/XmlSchemaValidatorTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/changelog-edited.xml b/liquigraph-core/src/test/resources/changelog/changelog-edited.xml
index e8734813..da4dc221 100644
--- a/liquigraph-core/src/test/resources/changelog/changelog-edited.xml
+++ b/liquigraph-core/src/test/resources/changelog/changelog-edited.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/changelog-of-changelogs.xml b/liquigraph-core/src/test/resources/changelog/changelog-of-changelogs.xml
index 4f151146..3ba267d5 100644
--- a/liquigraph-core/src/test/resources/changelog/changelog-of-changelogs.xml
+++ b/liquigraph-core/src/test/resources/changelog/changelog-of-changelogs.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/changelog-same-level-import-included.xml b/liquigraph-core/src/test/resources/changelog/changelog-same-level-import-included.xml
index 24c8c4c2..d7d2b848 100644
--- a/liquigraph-core/src/test/resources/changelog/changelog-same-level-import-included.xml
+++ b/liquigraph-core/src/test/resources/changelog/changelog-same-level-import-included.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/changelog-same-level-import.xml b/liquigraph-core/src/test/resources/changelog/changelog-same-level-import.xml
index 1a447357..ef1cf952 100644
--- a/liquigraph-core/src/test/resources/changelog/changelog-same-level-import.xml
+++ b/liquigraph-core/src/test/resources/changelog/changelog-same-level-import.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/changelog-with-1-node.xml b/liquigraph-core/src/test/resources/changelog/changelog-with-1-node.xml
index 5947d262..552236b1 100644
--- a/liquigraph-core/src/test/resources/changelog/changelog-with-1-node.xml
+++ b/liquigraph-core/src/test/resources/changelog/changelog-with-1-node.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/changelog-with-RC3-schema-location.xml b/liquigraph-core/src/test/resources/changelog/changelog-with-RC3-schema-location.xml
index 5afef944..4771ddd0 100644
--- a/liquigraph-core/src/test/resources/changelog/changelog-with-RC3-schema-location.xml
+++ b/liquigraph-core/src/test/resources/changelog/changelog-with-RC3-schema-location.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/changelog-with-execution-contexts.xml b/liquigraph-core/src/test/resources/changelog/changelog-with-execution-contexts.xml
index b08e8d64..33baa253 100644
--- a/liquigraph-core/src/test/resources/changelog/changelog-with-execution-contexts.xml
+++ b/liquigraph-core/src/test/resources/changelog/changelog-with-execution-contexts.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/changelog-with-nested-preconditions.xml b/liquigraph-core/src/test/resources/changelog/changelog-with-nested-preconditions.xml
index 84aa0207..97049a78 100644
--- a/liquigraph-core/src/test/resources/changelog/changelog-with-nested-preconditions.xml
+++ b/liquigraph-core/src/test/resources/changelog/changelog-with-nested-preconditions.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/changelog-with-old-RC3-schema-location.xml b/liquigraph-core/src/test/resources/changelog/changelog-with-old-RC3-schema-location.xml
index 42adbd8a..5dd3d3b7 100644
--- a/liquigraph-core/src/test/resources/changelog/changelog-with-old-RC3-schema-location.xml
+++ b/liquigraph-core/src/test/resources/changelog/changelog-with-old-RC3-schema-location.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/changelog-with-old-schema-location.xml b/liquigraph-core/src/test/resources/changelog/changelog-with-old-schema-location.xml
index 1ae70b73..c3a50f3a 100644
--- a/liquigraph-core/src/test/resources/changelog/changelog-with-old-schema-location.xml
+++ b/liquigraph-core/src/test/resources/changelog/changelog-with-old-schema-location.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/changelog-with-preconditions.xml b/liquigraph-core/src/test/resources/changelog/changelog-with-preconditions.xml
index 4e43edb1..46c1312c 100644
--- a/liquigraph-core/src/test/resources/changelog/changelog-with-preconditions.xml
+++ b/liquigraph-core/src/test/resources/changelog/changelog-with-preconditions.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/changelog-with-run-modes.xml b/liquigraph-core/src/test/resources/changelog/changelog-with-run-modes.xml
index 975799e7..b68b21c9 100644
--- a/liquigraph-core/src/test/resources/changelog/changelog-with-run-modes.xml
+++ b/liquigraph-core/src/test/resources/changelog/changelog-with-run-modes.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/changelog-with-schema-location.xml b/liquigraph-core/src/test/resources/changelog/changelog-with-schema-location.xml
index 0d95ae9b..a04250d2 100644
--- a/liquigraph-core/src/test/resources/changelog/changelog-with-schema-location.xml
+++ b/liquigraph-core/src/test/resources/changelog/changelog-with-schema-location.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/changelog.xml b/liquigraph-core/src/test/resources/changelog/changelog.xml
index 24c8c4c2..d7d2b848 100644
--- a/liquigraph-core/src/test/resources/changelog/changelog.xml
+++ b/liquigraph-core/src/test/resources/changelog/changelog.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/includes/deeply-nested-changelog.xml b/liquigraph-core/src/test/resources/changelog/includes/deeply-nested-changelog.xml
index 48e95368..bcbb46c5 100644
--- a/liquigraph-core/src/test/resources/changelog/includes/deeply-nested-changelog.xml
+++ b/liquigraph-core/src/test/resources/changelog/includes/deeply-nested-changelog.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/includes/inc/inc1.xml b/liquigraph-core/src/test/resources/changelog/includes/inc/inc1.xml
index 93e62107..7eef699d 100644
--- a/liquigraph-core/src/test/resources/changelog/includes/inc/inc1.xml
+++ b/liquigraph-core/src/test/resources/changelog/includes/inc/inc1.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/includes/inc/inc2.xml b/liquigraph-core/src/test/resources/changelog/includes/inc/inc2.xml
index 1e7ecf48..f60c2ca3 100644
--- a/liquigraph-core/src/test/resources/changelog/includes/inc/inc2.xml
+++ b/liquigraph-core/src/test/resources/changelog/includes/inc/inc2.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/includes/inc/mooore_inc/bye.xml b/liquigraph-core/src/test/resources/changelog/includes/inc/mooore_inc/bye.xml
index 1ba41c5f..b4c0e8ce 100644
--- a/liquigraph-core/src/test/resources/changelog/includes/inc/mooore_inc/bye.xml
+++ b/liquigraph-core/src/test/resources/changelog/includes/inc/mooore_inc/bye.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/includes/inc/mooore_inc/bye2.xml b/liquigraph-core/src/test/resources/changelog/includes/inc/mooore_inc/bye2.xml
index cdbedb8c..a4e80a15 100644
--- a/liquigraph-core/src/test/resources/changelog/includes/inc/mooore_inc/bye2.xml
+++ b/liquigraph-core/src/test/resources/changelog/includes/inc/mooore_inc/bye2.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/includes/inc/mooore_inc/bye3.xml b/liquigraph-core/src/test/resources/changelog/includes/inc/mooore_inc/bye3.xml
index 90056363..30ac3483 100644
--- a/liquigraph-core/src/test/resources/changelog/includes/inc/mooore_inc/bye3.xml
+++ b/liquigraph-core/src/test/resources/changelog/includes/inc/mooore_inc/bye3.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/includes/inc/subchangelog-1.xml b/liquigraph-core/src/test/resources/changelog/includes/inc/subchangelog-1.xml
index 81f63ed1..7d937c33 100644
--- a/liquigraph-core/src/test/resources/changelog/includes/inc/subchangelog-1.xml
+++ b/liquigraph-core/src/test/resources/changelog/includes/inc/subchangelog-1.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/includes/included.xml b/liquigraph-core/src/test/resources/changelog/includes/included.xml
index 12a4041b..64a89d52 100644
--- a/liquigraph-core/src/test/resources/changelog/includes/included.xml
+++ b/liquigraph-core/src/test/resources/changelog/includes/included.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/includes/invalid_include.xml b/liquigraph-core/src/test/resources/changelog/includes/invalid_include.xml
index dba86ea1..18a17a24 100644
--- a/liquigraph-core/src/test/resources/changelog/includes/invalid_include.xml
+++ b/liquigraph-core/src/test/resources/changelog/includes/invalid_include.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/includes/subchangelog-2.xml b/liquigraph-core/src/test/resources/changelog/includes/subchangelog-2.xml
index 5b5eae16..8381b1aa 100644
--- a/liquigraph-core/src/test/resources/changelog/includes/subchangelog-2.xml
+++ b/liquigraph-core/src/test/resources/changelog/includes/subchangelog-2.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/invalid_changesets/changelog-invalid-query.xml b/liquigraph-core/src/test/resources/changelog/invalid_changesets/changelog-invalid-query.xml
index ff0eccc2..18df4c93 100644
--- a/liquigraph-core/src/test/resources/changelog/invalid_changesets/changelog-invalid-query.xml
+++ b/liquigraph-core/src/test/resources/changelog/invalid_changesets/changelog-invalid-query.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/invalid_changesets/changelog-malformed.xml b/liquigraph-core/src/test/resources/changelog/invalid_changesets/changelog-malformed.xml
index c40b42ea..757787a0 100644
--- a/liquigraph-core/src/test/resources/changelog/invalid_changesets/changelog-malformed.xml
+++ b/liquigraph-core/src/test/resources/changelog/invalid_changesets/changelog-malformed.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/invalid_changesets/changelog-with-duplicate-ids.xml b/liquigraph-core/src/test/resources/changelog/invalid_changesets/changelog-with-duplicate-ids.xml
index ea621c4d..0bf16ab4 100644
--- a/liquigraph-core/src/test/resources/changelog/invalid_changesets/changelog-with-duplicate-ids.xml
+++ b/liquigraph-core/src/test/resources/changelog/invalid_changesets/changelog-with-duplicate-ids.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/invalid_changesets/changelog-with-invalid-precondition-query.xml b/liquigraph-core/src/test/resources/changelog/invalid_changesets/changelog-with-invalid-precondition-query.xml
index 0ebf4e26..01fbe70e 100644
--- a/liquigraph-core/src/test/resources/changelog/invalid_changesets/changelog-with-invalid-precondition-query.xml
+++ b/liquigraph-core/src/test/resources/changelog/invalid_changesets/changelog-with-invalid-precondition-query.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/invalid_changesets/changelog-without-author.xml b/liquigraph-core/src/test/resources/changelog/invalid_changesets/changelog-without-author.xml
index eafdb006..635418f1 100644
--- a/liquigraph-core/src/test/resources/changelog/invalid_changesets/changelog-without-author.xml
+++ b/liquigraph-core/src/test/resources/changelog/invalid_changesets/changelog-without-author.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/invalid_changesets/changelog-without-id.xml b/liquigraph-core/src/test/resources/changelog/invalid_changesets/changelog-without-id.xml
index 1644aa9b..f6c0aa80 100644
--- a/liquigraph-core/src/test/resources/changelog/invalid_changesets/changelog-without-id.xml
+++ b/liquigraph-core/src/test/resources/changelog/invalid_changesets/changelog-without-id.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/invalid_changesets/changelog-without-query.xml b/liquigraph-core/src/test/resources/changelog/invalid_changesets/changelog-without-query.xml
index 7b5b07d8..f66b94ac 100644
--- a/liquigraph-core/src/test/resources/changelog/invalid_changesets/changelog-without-query.xml
+++ b/liquigraph-core/src/test/resources/changelog/invalid_changesets/changelog-without-query.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/changelog/multiple_queries/changelog.xml b/liquigraph-core/src/test/resources/changelog/multiple_queries/changelog.xml
index 3cb40695..7b3f8992 100644
--- a/liquigraph-core/src/test/resources/changelog/multiple_queries/changelog.xml
+++ b/liquigraph-core/src/test/resources/changelog/multiple_queries/changelog.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/logback-test.xml b/liquigraph-core/src/test/resources/logback-test.xml
index 888fb440..216940e4 100644
--- a/liquigraph-core/src/test/resources/logback-test.xml
+++ b/liquigraph-core/src/test/resources/logback-test.xml
@@ -1,6 +1,6 @@
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/schema/schema-changelog.xml b/liquigraph-core/src/test/resources/schema/schema-changelog.xml
index 5008bfd1..127553ee 100644
--- a/liquigraph-core/src/test/resources/schema/schema-changelog.xml
+++ b/liquigraph-core/src/test/resources/schema/schema-changelog.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/schema/schema-creation-with-preconditions.xml b/liquigraph-core/src/test/resources/schema/schema-creation-with-preconditions.xml
index c12b1f49..c7dea2e5 100644
--- a/liquigraph-core/src/test/resources/schema/schema-creation-with-preconditions.xml
+++ b/liquigraph-core/src/test/resources/schema/schema-creation-with-preconditions.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/schema/schema-creation.xml b/liquigraph-core/src/test/resources/schema/schema-creation.xml
index 2edbdcdd..5a0b1dab 100644
--- a/liquigraph-core/src/test/resources/schema/schema-creation.xml
+++ b/liquigraph-core/src/test/resources/schema/schema-creation.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-core/src/test/resources/schema/schema-preconditions-changelog.xml b/liquigraph-core/src/test/resources/schema/schema-preconditions-changelog.xml
index a1de5e05..fa811f2e 100644
--- a/liquigraph-core/src/test/resources/schema/schema-preconditions-changelog.xml
+++ b/liquigraph-core/src/test/resources/schema/schema-preconditions-changelog.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-examples/dagger2/src/main/java/org/liquigraph/examples/dagger2/Application.java b/liquigraph-examples/dagger2/src/main/java/org/liquigraph/examples/dagger2/Application.java
index 75a165ab..2eb853eb 100644
--- a/liquigraph-examples/dagger2/src/main/java/org/liquigraph/examples/dagger2/Application.java
+++ b/liquigraph-examples/dagger2/src/main/java/org/liquigraph/examples/dagger2/Application.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-examples/dagger2/src/main/java/org/liquigraph/examples/dagger2/Sockets.java b/liquigraph-examples/dagger2/src/main/java/org/liquigraph/examples/dagger2/Sockets.java
index 65e73d90..07920b11 100644
--- a/liquigraph-examples/dagger2/src/main/java/org/liquigraph/examples/dagger2/Sockets.java
+++ b/liquigraph-examples/dagger2/src/main/java/org/liquigraph/examples/dagger2/Sockets.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-examples/dagger2/src/main/java/org/liquigraph/examples/dagger2/configuration/DataComponent.java b/liquigraph-examples/dagger2/src/main/java/org/liquigraph/examples/dagger2/configuration/DataComponent.java
index d85d3b24..c8b4a2f6 100644
--- a/liquigraph-examples/dagger2/src/main/java/org/liquigraph/examples/dagger2/configuration/DataComponent.java
+++ b/liquigraph-examples/dagger2/src/main/java/org/liquigraph/examples/dagger2/configuration/DataComponent.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-examples/dagger2/src/main/java/org/liquigraph/examples/dagger2/configuration/DataModule.java b/liquigraph-examples/dagger2/src/main/java/org/liquigraph/examples/dagger2/configuration/DataModule.java
index d1b2a026..41bc95d4 100644
--- a/liquigraph-examples/dagger2/src/main/java/org/liquigraph/examples/dagger2/configuration/DataModule.java
+++ b/liquigraph-examples/dagger2/src/main/java/org/liquigraph/examples/dagger2/configuration/DataModule.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-examples/dagger2/src/main/java/org/liquigraph/examples/dagger2/domain/Sentence.java b/liquigraph-examples/dagger2/src/main/java/org/liquigraph/examples/dagger2/domain/Sentence.java
index 371a6496..fdb43526 100644
--- a/liquigraph-examples/dagger2/src/main/java/org/liquigraph/examples/dagger2/domain/Sentence.java
+++ b/liquigraph-examples/dagger2/src/main/java/org/liquigraph/examples/dagger2/domain/Sentence.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-examples/dagger2/src/main/java/org/liquigraph/examples/dagger2/repository/LiquigraphClient.java b/liquigraph-examples/dagger2/src/main/java/org/liquigraph/examples/dagger2/repository/LiquigraphClient.java
index 07f0f0a1..457ff32a 100644
--- a/liquigraph-examples/dagger2/src/main/java/org/liquigraph/examples/dagger2/repository/LiquigraphClient.java
+++ b/liquigraph-examples/dagger2/src/main/java/org/liquigraph/examples/dagger2/repository/LiquigraphClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-examples/dagger2/src/main/java/org/liquigraph/examples/dagger2/repository/SentenceRepository.java b/liquigraph-examples/dagger2/src/main/java/org/liquigraph/examples/dagger2/repository/SentenceRepository.java
index c76b8ccc..a77c71e6 100644
--- a/liquigraph-examples/dagger2/src/main/java/org/liquigraph/examples/dagger2/repository/SentenceRepository.java
+++ b/liquigraph-examples/dagger2/src/main/java/org/liquigraph/examples/dagger2/repository/SentenceRepository.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-examples/dagger2/src/main/resources/changelog.xml b/liquigraph-examples/dagger2/src/main/resources/changelog.xml
index 52d6e9af..6c598b29 100644
--- a/liquigraph-examples/dagger2/src/main/resources/changelog.xml
+++ b/liquigraph-examples/dagger2/src/main/resources/changelog.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-examples/dagger2/src/main/resources/datasource.properties b/liquigraph-examples/dagger2/src/main/resources/datasource.properties
index 95e6d5db..c3e03082 100644
--- a/liquigraph-examples/dagger2/src/main/resources/datasource.properties
+++ b/liquigraph-examples/dagger2/src/main/resources/datasource.properties
@@ -1,5 +1,5 @@
 #
-# Copyright 2014-2018 the original author or authors.
+# Copyright 2014-2020 the original author or authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/liquigraph-examples/dagger2/src/test/java/org/liquigraph/examples/dagger2/ApplicationTest.java b/liquigraph-examples/dagger2/src/test/java/org/liquigraph/examples/dagger2/ApplicationTest.java
index 0013ad49..a24ca37e 100644
--- a/liquigraph-examples/dagger2/src/test/java/org/liquigraph/examples/dagger2/ApplicationTest.java
+++ b/liquigraph-examples/dagger2/src/test/java/org/liquigraph/examples/dagger2/ApplicationTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-examples/dagger2/src/test/java/org/liquigraph/examples/dagger2/Neo4jVersion.java b/liquigraph-examples/dagger2/src/test/java/org/liquigraph/examples/dagger2/Neo4jVersion.java
index f271a648..e76ae6fd 100644
--- a/liquigraph-examples/dagger2/src/test/java/org/liquigraph/examples/dagger2/Neo4jVersion.java
+++ b/liquigraph-examples/dagger2/src/test/java/org/liquigraph/examples/dagger2/Neo4jVersion.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-examples/dagger2/src/test/java/org/liquigraph/examples/dagger2/Neo4jVersionReader.java b/liquigraph-examples/dagger2/src/test/java/org/liquigraph/examples/dagger2/Neo4jVersionReader.java
index bdc359e3..d9a1d479 100644
--- a/liquigraph-examples/dagger2/src/test/java/org/liquigraph/examples/dagger2/Neo4jVersionReader.java
+++ b/liquigraph-examples/dagger2/src/test/java/org/liquigraph/examples/dagger2/Neo4jVersionReader.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-examples/dagger2/src/test/resources/neo4j.properties b/liquigraph-examples/dagger2/src/test/resources/neo4j.properties
index 2367ccb9..211f9d96 100644
--- a/liquigraph-examples/dagger2/src/test/resources/neo4j.properties
+++ b/liquigraph-examples/dagger2/src/test/resources/neo4j.properties
@@ -1,5 +1,5 @@
 #
-# Copyright 2014-2018 the original author or authors.
+# Copyright 2014-2020 the original author or authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/liquigraph-examples/spring-boot/src/main/java/org/liquigraph/examples/spring/SampleController.java b/liquigraph-examples/spring-boot/src/main/java/org/liquigraph/examples/spring/SampleController.java
index a3b88607..e5670718 100644
--- a/liquigraph-examples/spring-boot/src/main/java/org/liquigraph/examples/spring/SampleController.java
+++ b/liquigraph-examples/spring-boot/src/main/java/org/liquigraph/examples/spring/SampleController.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-examples/spring-boot/src/main/resources/application.properties b/liquigraph-examples/spring-boot/src/main/resources/application.properties
index b8b666f9..6b845a09 100644
--- a/liquigraph-examples/spring-boot/src/main/resources/application.properties
+++ b/liquigraph-examples/spring-boot/src/main/resources/application.properties
@@ -1,5 +1,5 @@
 #
-# Copyright 2014-2018 the original author or authors.
+# Copyright 2014-2020 the original author or authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/liquigraph-examples/spring-boot/src/main/resources/db/liquigraph/changelog.xml b/liquigraph-examples/spring-boot/src/main/resources/db/liquigraph/changelog.xml
index 3e9320db..68bd2b97 100644
--- a/liquigraph-examples/spring-boot/src/main/resources/db/liquigraph/changelog.xml
+++ b/liquigraph-examples/spring-boot/src/main/resources/db/liquigraph/changelog.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-examples/spring-boot/src/test/java/org/liquigraph/examples/spring/SampleControllerTest.java b/liquigraph-examples/spring-boot/src/test/java/org/liquigraph/examples/spring/SampleControllerTest.java
index 546b083d..d126f582 100644
--- a/liquigraph-examples/spring-boot/src/test/java/org/liquigraph/examples/spring/SampleControllerTest.java
+++ b/liquigraph-examples/spring-boot/src/test/java/org/liquigraph/examples/spring/SampleControllerTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-examples/spring-boot/src/test/resources/application.properties b/liquigraph-examples/spring-boot/src/test/resources/application.properties
index 62656cb3..c8b3b97d 100644
--- a/liquigraph-examples/spring-boot/src/test/resources/application.properties
+++ b/liquigraph-examples/spring-boot/src/test/resources/application.properties
@@ -1,5 +1,5 @@
 #
-# Copyright 2014-2018 the original author or authors.
+# Copyright 2014-2020 the original author or authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/liquigraph-examples/spring-boot/src/test/resources/logback-test.xml b/liquigraph-examples/spring-boot/src/test/resources/logback-test.xml
index 9794e90a..552f00b0 100644
--- a/liquigraph-examples/spring-boot/src/test/resources/logback-test.xml
+++ b/liquigraph-examples/spring-boot/src/test/resources/logback-test.xml
@@ -1,6 +1,6 @@
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-maven-plugin/src/main/java/org/liquigraph/maven/DryRunMojo.java b/liquigraph-maven-plugin/src/main/java/org/liquigraph/maven/DryRunMojo.java
index f4d2bf0e..f53cb71f 100644
--- a/liquigraph-maven-plugin/src/main/java/org/liquigraph/maven/DryRunMojo.java
+++ b/liquigraph-maven-plugin/src/main/java/org/liquigraph/maven/DryRunMojo.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-maven-plugin/src/main/java/org/liquigraph/maven/LiquigraphMojoBase.java b/liquigraph-maven-plugin/src/main/java/org/liquigraph/maven/LiquigraphMojoBase.java
index 299c1c59..ed8f24f0 100644
--- a/liquigraph-maven-plugin/src/main/java/org/liquigraph/maven/LiquigraphMojoBase.java
+++ b/liquigraph-maven-plugin/src/main/java/org/liquigraph/maven/LiquigraphMojoBase.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-maven-plugin/src/main/java/org/liquigraph/maven/ProjectClassLoader.java b/liquigraph-maven-plugin/src/main/java/org/liquigraph/maven/ProjectClassLoader.java
index b66b86f1..9dbcbfe0 100644
--- a/liquigraph-maven-plugin/src/main/java/org/liquigraph/maven/ProjectClassLoader.java
+++ b/liquigraph-maven-plugin/src/main/java/org/liquigraph/maven/ProjectClassLoader.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-maven-plugin/src/main/java/org/liquigraph/maven/RunMojo.java b/liquigraph-maven-plugin/src/main/java/org/liquigraph/maven/RunMojo.java
index f2ca13f2..dc2aae21 100644
--- a/liquigraph-maven-plugin/src/main/java/org/liquigraph/maven/RunMojo.java
+++ b/liquigraph-maven-plugin/src/main/java/org/liquigraph/maven/RunMojo.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-spring-boot-starter/src/main/java/org/liquigraph/spring/SpringChangelogLoader.java b/liquigraph-spring-boot-starter/src/main/java/org/liquigraph/spring/SpringChangelogLoader.java
index 04790c05..b769bf94 100644
--- a/liquigraph-spring-boot-starter/src/main/java/org/liquigraph/spring/SpringChangelogLoader.java
+++ b/liquigraph-spring-boot-starter/src/main/java/org/liquigraph/spring/SpringChangelogLoader.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-spring-boot-starter/src/main/java/org/liquigraph/spring/SpringLiquigraph.java b/liquigraph-spring-boot-starter/src/main/java/org/liquigraph/spring/SpringLiquigraph.java
index 85ce14c5..f3c85a34 100644
--- a/liquigraph-spring-boot-starter/src/main/java/org/liquigraph/spring/SpringLiquigraph.java
+++ b/liquigraph-spring-boot-starter/src/main/java/org/liquigraph/spring/SpringLiquigraph.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-spring-boot-starter/src/main/java/org/liquigraph/spring/starter/LiquigraphAutoConfiguration.java b/liquigraph-spring-boot-starter/src/main/java/org/liquigraph/spring/starter/LiquigraphAutoConfiguration.java
index ea561d1f..6340acc8 100644
--- a/liquigraph-spring-boot-starter/src/main/java/org/liquigraph/spring/starter/LiquigraphAutoConfiguration.java
+++ b/liquigraph-spring-boot-starter/src/main/java/org/liquigraph/spring/starter/LiquigraphAutoConfiguration.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-spring-boot-starter/src/main/java/org/liquigraph/spring/starter/LiquigraphDataSource.java b/liquigraph-spring-boot-starter/src/main/java/org/liquigraph/spring/starter/LiquigraphDataSource.java
index 97f7e597..028828b8 100644
--- a/liquigraph-spring-boot-starter/src/main/java/org/liquigraph/spring/starter/LiquigraphDataSource.java
+++ b/liquigraph-spring-boot-starter/src/main/java/org/liquigraph/spring/starter/LiquigraphDataSource.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-spring-boot-starter/src/main/java/org/liquigraph/spring/starter/LiquigraphProperties.java b/liquigraph-spring-boot-starter/src/main/java/org/liquigraph/spring/starter/LiquigraphProperties.java
index 5997d1bc..4b014447 100644
--- a/liquigraph-spring-boot-starter/src/main/java/org/liquigraph/spring/starter/LiquigraphProperties.java
+++ b/liquigraph-spring-boot-starter/src/main/java/org/liquigraph/spring/starter/LiquigraphProperties.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-spring-boot-starter/src/main/java/org/liquigraph/spring/starter/package-info.java b/liquigraph-spring-boot-starter/src/main/java/org/liquigraph/spring/starter/package-info.java
index ec7dfd15..2631fcb2 100644
--- a/liquigraph-spring-boot-starter/src/main/java/org/liquigraph/spring/starter/package-info.java
+++ b/liquigraph-spring-boot-starter/src/main/java/org/liquigraph/spring/starter/package-info.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-spring-boot-starter/src/test/java/org/liquigraph/spring/LiquigraphAutoconfigurationTest.java b/liquigraph-spring-boot-starter/src/test/java/org/liquigraph/spring/LiquigraphAutoconfigurationTest.java
index fae6da17..7a648251 100644
--- a/liquigraph-spring-boot-starter/src/test/java/org/liquigraph/spring/LiquigraphAutoconfigurationTest.java
+++ b/liquigraph-spring-boot-starter/src/test/java/org/liquigraph/spring/LiquigraphAutoconfigurationTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2018 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/liquigraph-spring-boot-starter/src/test/resources/application.properties b/liquigraph-spring-boot-starter/src/test/resources/application.properties
index 62656cb3..c8b3b97d 100644
--- a/liquigraph-spring-boot-starter/src/test/resources/application.properties
+++ b/liquigraph-spring-boot-starter/src/test/resources/application.properties
@@ -1,5 +1,5 @@
 #
-# Copyright 2014-2018 the original author or authors.
+# Copyright 2014-2020 the original author or authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/liquigraph-spring-boot-starter/src/test/resources/db/liquigraph/changelog-with-contexts.xml b/liquigraph-spring-boot-starter/src/test/resources/db/liquigraph/changelog-with-contexts.xml
index 0223fb65..4c2e7049 100644
--- a/liquigraph-spring-boot-starter/src/test/resources/db/liquigraph/changelog-with-contexts.xml
+++ b/liquigraph-spring-boot-starter/src/test/resources/db/liquigraph/changelog-with-contexts.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-spring-boot-starter/src/test/resources/db/liquigraph/changelog.xml b/liquigraph-spring-boot-starter/src/test/resources/db/liquigraph/changelog.xml
index 52d6e9af..6c598b29 100644
--- a/liquigraph-spring-boot-starter/src/test/resources/db/liquigraph/changelog.xml
+++ b/liquigraph-spring-boot-starter/src/test/resources/db/liquigraph/changelog.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/liquigraph-spring-boot-starter/src/test/resources/logback-test.xml b/liquigraph-spring-boot-starter/src/test/resources/logback-test.xml
index 9794e90a..552f00b0 100644
--- a/liquigraph-spring-boot-starter/src/test/resources/logback-test.xml
+++ b/liquigraph-spring-boot-starter/src/test/resources/logback-test.xml
@@ -1,6 +1,6 @@
 <!--
 
-    Copyright 2014-2018 the original author or authors.
+    Copyright 2014-2020 the original author or authors.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.