Merge pull request #38 from AaronGhent/master

Support for Django 1.5 URLField
Merge pull request #40 from AaronGhent/master

Removed cruft that caused a template to not be rendered
Django compatibility: use *args and **kwargs in Request's save method

Recover Django 1.4 compatibility. It is also a recommended way of overriding predefined model methods: https://docs.djangoproject.com/en/1.5/topics/db/models/#overriding-model-methods
Merge pull request #41 from vlevit/master

Recover Django 1.4 compatibility