* Remove Python 2 support
* Upgrade Python & Django versions
* Remove unsupported Django versions
* Remove unsupported Python versions
* Add Python 3.8
* Drop support for django-filter < 2
* Update LoginRequiredMixin doc link
* Remove redundant import
* Resolve RemovedInDjango40Warning warnings
* gql/graphene-django/graphene_django/tests/test_converter.py:175:
RemovedInDjango40Warning: django.utils.translation.ugettext_lazy() is
deprecated in favor of django.utils.translation.gettext_lazy().
* graphene-django/graphene_django/utils/utils.py:28:
RemovedInDjango40Warning: force_text() is deprecated in favor of
force_str().
* No need to use unicode strings with Python3
* Remove singledispatch dependency
singledispatch is inluded with Python >= 3.4, no need for external
package.
* convert DRF ChoiceField to Enum, also impacts FilePathField
* Pep8 fixes
* DRF multiple choices field converts to list of enum
* apply black formatting
* Create new fields and exclude options that are aliased to exclude_fields and only_fields
* Update docs
* Add some checking around fields and exclude definitions
* Add all fields option
* Update docs to include `__all__` option
* Actual order of fields is not stable
* Update docs/queries.rst
Co-Authored-By: Semyon Pupkov <semen.pupkov@gmail.com>
* Fix example code
* Format code
* Start raising PendingDeprecationWarnings for using only_fields and exclude_fields
* Update tests
