==================
* Add auth backend for YubiKey.
* Change default email backend to Django's built-in.
* Add sms auth backend for smsapi.pl.
* Add support for Simple JWT.
* Add encryption for backup codes with customisation setting.
* Update translations.
* Add Transifex for translations.
* Add flake8 and isort to tox tests.
* Change default settings to more verbose.
* Fix setup to install only trench package.
* Fix pytest import mistmatch error when running test in Docker.