Update README.creole
Actually return fall-back field stringification

Discovered when trying to diff an IntegerField; bug: shows "None" instead of the field diff.
Merge pull request #22 from brainfish/patch-2

Actually return fall-back field stringification
django.conf.urls.defaults deprecated in Django 1.6

Use django.conf.urls instead
Version Bumps all around
Django 1.6 and Reversions 1.8 compat
drop django 1.4

we lose 1.4 compat. Rats.
handle a removed field rather than crashing