Features
- Adds `autoname` check to forbid `*_auto_*` named migrations
- Adds `django3.0` support
- Adds `python3.8` support
Bugfixes
- Fixes that migtaions were failing with `pre_migrate` and `post_migrate` signals
- Fixes that tests were failing when `pytest --nomigration` was executed,
now they are skipped
Misc
- Updates to `poetry1.0`