Added Exchanger Efficiency sensor

• Added Exchanger Efficiency sensor to all devices/versions

Thanks to @gllmlbrt

Feature update

• Serial Support
• Better Overall device support

Tested and Fixed Serial Setup

• Fixed Serial Setup
• Added missing Hardware version to Bus Version 22 Devices
• Renamed Temperature sensors
• Added some missing items

Minor Bug Fixes

1.1.1B

Bug Fixes

Major Update

• USB Serial adapter support (untested)
• Completely redefined the way devices are supported by the Integration

Bug Fixes and Code Clean-Up

• Fix Version Number on <= Bus Version 7
• Fix Duplicate Registers
• Fix Climate States
• Cross-Check Unsupported entities on Comfort (Bus Version 7)
• Added ModBus Version Sensor
• General Code Clean-Up
• Removed Unsupported entities from Combi 302

Bug Fix

Fixed invalid register bug, which was caused by duplicate register names.

Added debugging

• Added some more debugging.
• Minor Bug Fixes

Removed Button from platforms

Fixes HA nag of button platform missing.

Added Better Support For VP 18 M2

• Added better support for VP 18 M2
• Finally fixed Invalid Address Error on Comfort