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- Add testing and support for Django 2.0. No actual code changes were required.
- Escape ``KEY_PREFIX`` and ``VERSION`` when used in glob expressions.
- Improve handling timeouts less than 1ms.
- Remove fakeredis support.
- Add datetime, date, time, and timedelta serialization support to the JSON
serializer.
- The deprecated feature of passing ``True`` as a timeout value is no longer
supported.
- Fix ``add()`` with a negative timeout to not store key (it is immediately
invalid).
- Remove support for Django < 1.11.
- Add support for atomic incr if key is not set.