GUARD-3049 Improve Orders Sync (#14)

* GUARD-3049 Add new endpoints to obtain shipments and fullfilment data by creation date

* GUARD-3049 Extracted logic into its own methods, renamed variables, added comments.

* GUARD-3049 Minor changes

* GUARD-3049 Rename orders properties

* GUARD-3049 Update package version

* GUARD-3049 Remove alpha

.build.ps1

@@ -76,7 +76,7 @@ task NuGet Package, Version, {
 <package>
 	<metadata>
 		<id>$project_name</id>
-		<version>$Version-alpha</version>
+		<version>$Version</version>
 		<authors>Agile Harbor</authors>
 		<owners>Agile Harbor</owners>
 		<projectUrl>https://github.com/agileharbor/$project_name</projectUrl>