Graphene-django-extras

5. Updated setup dependence to graphene-django>=2.0.

- Add support for custom resolvers (s3rius [176](https://github.com/eamigo86/graphene-django-extras/pull/176))

v.0.5.1
Update dependencies

Upgrade to Graphene v3

"In"-filters now allows list input (fix in this release)

1. Bump <b>graphql-core</b> dependencies to >= 2.2.1.
2. Bump <b>graphene</b> dependencies to >= 2.1.8.
3. Bump <b>graphene-django</b> dependencies to >= 2.5.0.
4. Bump <b>django-filter</b> dependencies to >= 2.2.0.
5. Fixed <i>'DjangoSerializerOptions' object has no attribute 'interfaces'</i>, after update to graphene==2.1.8.
6. The tests were refactored and added some extra tests for DjangoSerializerType.

Improve project quality check (special thanks to [eclar](https://github.com/eclar))

Project:
1. Fixed compatibilities issues to use graphene-django>=2.3.2
2. Removed support for python<3.6 from classifier
3. Added poetry package management
4. Added dev dependencies in poetry
5. Added black, coverage, travis badges to README

Testing:
1. Removed testing project and added tests folder
2. Tests are now using pytest with the appropriate configuration
3. Added tox for testings purposes
4. Added quality checks
5. Added coverage

Quality:
1. Added linters
2. Blacked project

1. Fixed minor bug with DjangoListObjectType and type_factory function.
2. Fixed minor bug with the type resolver of the ManyToMany fields on Django models.
3. Improved _get_count function to avoid a possible DatabaseError exception in some scenarios.

**NOTE**: Last release before launching the new version of the package (1.0.0)