Introduce bypass_fsm_freeze and FROZEN_DELEGATE_TO

• Introduce bypass_fsm_freeze and remove the use of updated_fields
• Introduce FROZEN_STATE_LOOKUP_FIELD and FROZEN_DELEGATE_TO for which field to resolve for the state
• Add FreezeConfigurationError exception for config-related error

Enable latest django

• remove constraint that prevent to use django >= 3.2
• Add an optional model attribute FSM_STATE_FIELD_NAME
• Update README

Include Readme in pyproject

• include readme in pyproject
• improve CI
  • include flake8
  • use cache

Move CI to Github Actions + Update Readme

v0.1.6

Fix CI on release and bump version

Repackage dev dependencies

v0.1.5

Repackage for dev dependencies

Support django v3.1

v0.1.4

lower django version

Update error message

v0.1.3

bump version

Move config_check to class level

v0.1.2

Move config_check to class level

First release

v0.1.1

Add publish to PyPI in circleci