Code cleanup and optimizations (see comments); 1 breaking change!

What has changed?

This release is all about internal optimizations, code cleanup and better readability / traceability.

🔴 Breaking change 🔴

Please edit your configuration.yamlin the HA root and rename / shorten the logger:

before:

logger:
  logs:
    custom_components.helios_vallox_ventilation: error   # could be also: info, debug (=more logs)

after (new format):

logger:
  logs:
    helios_vallox: error

Other changes

• cleaned up code for better readability and robustness
• centralized functionality and removed obsolete methods
• restructured order of methods for better traceability
• removed obsolete async_update() from switches
• removed optional entity attributes with state 'None' (=not set in yaml config)
• optimized validity check for write service, min/max value is now considered
• renamed 'default_value' attribute to 'factory_setting' to avoid confusion
• changed connection handling: connect/disconnect for each run now instead of a permanent connection
• improved socket robustness by adding / optimizing socket settings
• finalized first version of the Wiki after including lots of background information
• included a bus sniffer in tools/sniffer.py (use with care - you may trigger huge logs when running it for a long time)

Upcoming changes for next release (planned)

• include more information on the device in vent_conf.yaml
• make the old, ugly registers table in const.pyobsolete
• further improve logging
• rework error handling in case of connection breakdowns (currently it spams log files)
• fine-tune tools/sniffer
• feel free to request additional changes in the discussions section