UnionOfRAD/lithium — pull request #507 by rmarscher (2012-05-30 23:10:37+00:00)
Title: Fixed an issue with the form helper where the value zero would not display

See http://stackoverflow.com/questions/10819825/lithium-not-rendering-zero-0-in-form/10824838

I confirmed the issue. Basically has to do with assignment of falsy values and use of `empty()`.