Update installer to check conditional dependencies (Word Count Search and MultiPrefix) to ensure they are the minimum supported versions.
Support filtering by Word Count
Requires Word Count Search v2.3.0+
Requires Threadmarks to populate a thread's word count.
Click on forum to select a filter
Click on prefix to select a filter
MultiPrefix support (v2.4.0+)
Add option to control default 'unread' filter
Fix check for when a user has no watched threads
Fix pagenav links not including filter options