Django-db-readonly

- A bit of cleanup, and start of some tests

- Improve parsing of write queries to handle more types and multiple queries per statement https://github.com/streeter/django-db-readonly/pull/17

- Add support for Django 1.10 and 1.11 by using the new style middleware https://github.com/streeter/django-db-readonly/pull/16

- Look up the `_last_executed` property on the underlying DB cursor https://github.com/streeter/django-db-readonly/pull/13

- Django 1.9 support https://github.com/streeter/django-db-readonly/pull/11

- Added per-Database configurability. https://github.com/streeter/django-db-readonly/pull/10