Some code cleanup, PEP8 updates, updated requirements.

git-svn-id: https://projects.ninemoreminutes.com/svn/django-datatables/trunk@42 d7121a62-6ae3-45d9-917d-ff5cd7ed6f65
Update third party jQuery/DataTables files.

git-svn-id: https://projects.ninemoreminutes.com/svn/django-datatables/trunk@43 d7121a62-6ae3-45d9-917d-ff5cd7ed6f65
Minor datatables updates.

git-svn-id: https://projects.ninemoreminutes.com/svn/django-datatables/trunk@44 d7121a62-6ae3-45d9-917d-ff5cd7ed6f65
Update requirements and supported Python/Django versions.

git-svn-id: https://projects.ninemoreminutes.com/svn/django-datatables/trunk@45 d7121a62-6ae3-45d9-917d-ff5cd7ed6f65
Update requirements and supported versions, bump version.

git-svn-id: https://projects.ninemoreminutes.com/svn/django-datatables/trunk@46 d7121a62-6ae3-45d9-917d-ff5cd7ed6f65