elving/swag — pull request #27 by MaffooBristol (2013-08-27 14:27:05+00:00)
Title: Adding in isnt_or and isnt_and.

This is my first pull request so apologies if I've done something hideously wrong. One of my projects had a need for isnt_or and isnt_and, so I thought it may be useful for all other users of Swag.