Fixed Tagging does not support apostrophes after user names

[Paul B]

Per this post: http://xenforo.com/community/threads/twitter-google-registration.51668/#post-553023

Posting this thread at @Mike's behest.

 

[Chris D]

Well spotted @Brogan

 

[Mike]

Fixed with a few other bits of the matching being tweaked. Rolled out soon.