shawn42/tmx — pull request #5 by noahgibbs (2013-12-10 05:14:12+00:00)
Title: Treat 0 as false for 'visible' properties.

I'm using TMX files from SourceOfTales which have "visible=0" for layers to indicate invisible ones. I didn't want to mess up existing "false" stuff, so I added a private method to treat either 0 or "false" as false. Existing tests pass.