Py-senertec

What's Changed
* changed variables in senertec class to properties by Kleinrotti in https://github.com/Kleinrotti/py-senertec/pull/8
* [BREAKING CHANGE] new login behavior by Kleinrotti in https://github.com/Kleinrotti/py-senertec/pull/9


**Full Changelog**: https://github.com/Kleinrotti/py-senertec/compare/0.4.0...0.5.0

What's Changed
* Datapoint-optimizations by Kleinrotti in https://github.com/Kleinrotti/py-senertec/pull/5
* Board-object-refactor by Kleinrotti in https://github.com/Kleinrotti/py-senertec/pull/6
* Variables of canipError object are now properties by Kleinrotti in https://github.com/Kleinrotti/py-senertec/pull/7


**Full Changelog**: https://github.com/Kleinrotti/py-senertec/compare/0.3.0...0.4.0

Bug fixes
- Close websocket at logout only if its not None
- Fixed possible not initialized variable while parsing datapoints

Changes
- Added support for Senertec Dachs Gen2 F5.5
- Updated to saml2 login which is now used by dachsportal