Clearer description
Another stab at desc
Added clarification
Last polish!
NullBooleanField with NullBooleanSelect widget. Simplified widget handling by modifying data dict in place, so super's value_from_datadict can be called.
URL field subclass test
Removed NullBooleanSelect caveat in README
Fixed getattr
Merge pull request #7 from trojjer/data_in_place

Simplified widget handling by modifying data dict in place