Update django-filter to 1.0.2

[pyup-bot]

There's a new version of django-filter available.
You are currently using 0.15.3. I have updated it to 1.0.2

These links might come in handy: PyPI | Changelog | Repo

Changelog

1.0.2

---

Updates for compatibility with Django 1.11 and Django REST Framework 3.6.

Adds CI testing against Python 3.6

See the 1.0.2 Milestone__ for full details.

__ https://github.com/carltongibson/django-filter/milestone/12?closed=1

1.0.1

---

Small release to ease compatibility with DRF:

• 568 Adds rest_framework to the django_filters namespace to allow single
  ``import django_filters` usage.
• A number of small updates to the docs

1.0

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This release removes all the deprecated code from 0.14 and 0.15 for 1.0 480.

Please see the Migration Notes__ for details of how to migrate.
Stick with 0.15.3 if you're not ready to update.

__ https://github.com/carltongibson/django-filter/blob/1.0.0/docs/guide/migration.txt

The release includes a number of small fixes and documentation updates.

See the 1.0 Milestone__ for full details.

__ https://github.com/carltongibson/django-filter/milestone/8?closed=1

Got merge conflicts? Close this PR and delete the branch. I'll create a new PR for you.

Happy merging! 🤖

[edmorley]

The failures here are since django-rest-framework-filters is not yet compatible with django-filters 1.0+ (it's fixed on master, but not yet released: philipn/django-rest-framework-filters#144).