added support for textarea in ajax autocompleter
added support for autocomplete when searching from an image
Added an override to e621 theme to hide redundant info and cloned some of the styling
Removed a debug error trow. Minor refactor of a setter
rollback of regexp use in image search
now the imageboard accept plugins to change the term we're looking for, or forget about it

(Jedi like, ha!)
modified the "tag_categories" extension to use a separate column, and to affect the searches.
Added an event to anounce a seting term which needs parsing
Now the imageboard ask politely if somebody whants to change a tag before adding it.
now the tag_categories extension changes a tag category when setting it
Tweaked the tag list to work with the new tag_categories. TODO: Refactor all legacy code.

The tag list can be simplified now. To make it work ASAP I've forced the values in a previously
spliced string, and lots of checks can now be removed/simplified.
Tag categories now manages new tags introduced with it's metatags, and removed duppe event