Added language variant/invariant support

Tested with SQLite and MSSQL
Added Umbraco 10 test site

README.md

@@ -12,20 +12,21 @@ Creates a tree view of all Tags that have been created by the Umbraco Tag Dataty
 The tree is split into separate branches for each tag Group created - useful if you run multiple blogs on your site, or have multiple Tag Groups defined in a site.
 
 1. Create Tag Groups.
-1. Ability to change Tags.
-2. Ability to delete Tags, single & multiple.
+1. Create and change Tags.
+2. Delete Tags, single & multiple.
 3. Indication of how many times the Tag is currently being used (number in brackets in Group overview).
 4. Ability to merge Tags - useful in cases of spelling mistakes, cleaning up Tags, etc.
 5. Links to content and media where Tag is used.
+6. Language variant/invariant support.
 
-## Tag List
+## Tag List Property Editor
 Provides a multi select (read-only) list of all tags assigned to the group. 
 
 1. Choose one or more tags from the list
 2. Works on Content and Media Doctypes.
+3. Language variant/invariant support (Media is invariant only)
 3. Tags are saved to the default internal and external indexes in CSV format.
 
 ## Roadmap
-1. Language variant support
 2. Content editors can add tags to a Tag List, enabled in a Pre-value switch.
 3. Umbraco 14 support