* bump yessssms version to 0.4.0
adds 'provider' config parameter
adds support for providers:
* billitel
* EDUCOM
* fenercell
* georg
* goood
* kronemobile
* kuriermobil
* SIMfonie
* teleplanet
* WOWWW
* yooopi
* black formatting
* moved CONF_PROVIDER to component
* black formatting
* moved error handling on init to get_service
* return None, init logging moved to get_service
* moved YesssSMS import to top of module
* test login data on init. add flag for login data test. removed KeyError
* catch connection error, remove CONF_TEST_LOGIN_DATA config flag
* requirements updated
* lint
* lint: use getters for protected members, bump version to 0.4.1b4
* requirements updated to 0.4.1b4
* fix logging messages, info to warning, clear up login_data check
* change valid login data message to debug
* fix tests
* add tests for get_service
* bump yessssms version 0.4.1
* tests for get_service refurbished
* test refactoring with fixtures
* polish fixtures ✨
* replace Mock with patch 🔄
* tiny string fixes, removed unused return_value 🐈
