UnionOfRAD/lithium — pull request #308 by mehlah (2012-02-01 19:16:50+00:00)
Title: Form helper is now aware of radio inputs

Hugely inspired by @edude03 pull request #304.

I mainly added missing tests, based on checkbox() ones.
Updated the docblock with more precisions.
Added to radio() method a default `value = '1'`