Habapp

- Reworked items file creation, made the file nicer and fixed a crash (fixes 171)
- Changing an item through the rest api new gets properly reflected in HABApp (fixes 170)
- Added some tests and modified the build pipeline

- Added possibility to set metadata when using textual thing configuration
- Fixed a race condition which resulted in ``item.watch...`` not working properly
- added multiline support for the log_functions
- Shutdown should not hang any more if no items exist on the oh side
- Fixes for z-wave config entries with bitmasks and without bitmask (168)

- Both values for ValueChangeEvent are properly unpacked
- Bumped library versions
- Fixed a bug where the configuration for a link was not set properly
- The test client does log all rest communication in the testcase

- Parameters can be used in operations without having to access the value property
- Log info gets printed properly when changing thing parameters
- Changed example and readme (fixes 161)

- removed the plugin for thing configuration
- created a plugin which can automatically do thing configuration, create things and link them to channels
- created pending future class and made the item_watch use it
- better logging of the event bus for str values
- added INFO to HABApp topics
- fixed 159
- added tests and docs
- Automatic unloading for MultiMode which are added in rules

- Added Number:Dimensionless as a unit of measurement
- made z-wave table more robust