Merge unreleased 1.9 in CHANGELOG

CHANGELOG.md

@@ -4,17 +4,14 @@
 
 - Use regular expressions to filter sentence templates
 - Add `filter_with_regex` to intent settings and intent data (`false` disables regex filtering)
+- Filter text slot list values by required/excluded context during matching
+- Use a trie to filter range slot list values based on remaining text to be matched
+- Add `required_keywords` section to intent data to skip sentences without specific keywords
 - Preserve case during matching 
 - Strip punctuation before text processing
 - Remove extraneous whitespace from the end of wildcards
 - Refactor string matching code into `string_matcher.py`
 
-## 1.9.0
-
-- Filter text slot list values by required/excluded context during matching
-- Use a trie to filter range slot list values based on remaining text to be matched
-- Add `required_keywords` section to intent data to skip sentences without specific keywords
-
 ## 1.8.0
 
 - Bump `unicode-rbnf` to 2.0.0