Update bootstrap version in browsable-api.md

Issue 3726 DateTimeField not handling empty values

Raise error when setting a removed rest_framework setting for #3644

Subclass AutoFilterSet from self.default_filter_set

docstring typo fix: DateAndFiles -> DataAndFiles

Move urls.py changes down and add necessary import

Fix tox build against python 3.5 by upgrading pytest.

The previous location of editting urls.py did not allow migrations to be created and the default import needs to be modified

Some minor typos and grammar changes.

Fix transifex config for Django

Version 3.3.2

Add extra args/kwargs to authtoken's views (#3718)

Import parser added to docs in API guide

Added missing import statements in code snippet of API guide.

Closes-Issue: #3727