otwcode/otwarchive — pull request #1332 by CristinaRO (2013-09-12 18:50:25+00:00)
Title: Recategorising tags shouldn't show a lying cheating error message

```recategorize``` is needed at Tag level, not just UnsortedTag, so the recategorised tag can be loaded as the proper subclass to which it has just been assigned.

http://code.google.com/p/otwarchive/issues/detail?id=3749