valendesigns/option-tree — pull request #143 by maimairel (2013-08-09 08:49:30+00:00)
Title: Make '0' possible as a field value. Validate for empty strings instead o...

...f empty()

This change makes it possible for options to have '0' as the field value. Validation now checks against empty strings instead of empty().

Please make the necessary changes if some things are conflicting.

Thanks!