* Fixed `KeyError` in `TokenObtainSerializer.validate`.
4.1.1
Not secure
* Added request pass-through on `django.contrib.auth.authenticate` call in `TokenObtainSerializer`. * Updated `TokenObtainSerializer` to use `fail` API from parent class.
4.1
* Added language support for Brazilian Portuguese. * Added support for automatic username lookup in `TokenUser`.
4.0
* Removed Python 2 support. * Fixed crash when empty AUTHORIZATION header is sent. * Fixed testing DB transaction issues. * Simplified/improved testing and dev setup. * Switched to using bumpversion for release process.
3.3
Not secure
* Removed official support for Python 3.4. * Added support for Python 3.7. * Added support for Django 2.1. * Added support for DRF 3.9.