vlucas/valitron — pull request #41 by Kilte (2014-01-07 00:40:57+00:00)
Title: Fixed hasRule() method.

I had some problems with the addition of an array of the rules via `rules()` method.
Rules didn't work if the value was empty.
Although, if add rules one by one, everything work as it should.
This PR solves this problem.