Release v0.2.0

Changes:

• 0b04ad7 Fix / attempt to fix message repr with excluding Nones (#64)
• fe6c5e7 Feat/message class (#62)
• 602fa09 Processing deprecation (#61)
• d584c68 docs/to the sphinx docstring (#58)
• 868c19b Added support for different dependencies for different examples (#50)
• cbc00a3 Run tests in an isolated environment (#54)
• 20ff277 docs: fix ModuleName in docs (#57)
• 76bac70 example utils documentation added (#55)
• e592f6e Added psuedo-setters for context properties (#51)
• 2980d68 rename tests/messeners to tests/messengers (#53)
• 41e4419 Directory structure changed (#48)
• 8c09b82 Add event_handler workflow (#52)
• 922b996 :rtype: removed for function aliases (#45)