Django-cachalot

-----

- Cast memoryview objects to bytes to be able to pickle them (163)

-----

- Added support for Django 3.1, including the new, native JSONField

-----

- Added context manager for temporarily disabling cachalot using `cachalot_disabled()`
- Fix for certain Subquery cases.

-----

- Drop support for Django 1.11 and Python 2.7
- Added fix for subqueries from Django 2.2

-----

- Adds Django 2.2 and 3.0 support.
- Dropped official support for Python 3.4

- It won't run properly with Travis CI tests on MySQL.

- All Travis CI tests are fully functional.

-----

- Adds Django 2.1 support.