* first blood for ZhongHong HVAC Controller
* add requirements
* requirements_all.txt updated
* add zhong_hong.py to coveragerc
* add comments
* unique_id add platform name
* zhong_hong_hvac version bump to 1.0.1
* improve some coding style to match the project standard
* zhong_hong_hvac version bump to 1.0.4
* zhong_hong_hvac version require 1.0.7
* update requirements by script/gen_requirements_all.py
* zhong_hong_hvac version bump to 1.0.8
* fix startup problem
* remove unused import
* zhong_hong_hvac version bump to 1.0.9
- operation_mode: cold -> cool
* start hub listen event when all climate entities is ready
* use dispatcher to setup hub
* var name change
SIGNAL_DEVICE_SETTED_UP -> SIGNAL_DEVICE_ADDED
* async problem fix
* bugfix: set_operation_mode forget to use upper case
* stringify the exception instead of print full stack of traceback
* avoid to call str(exception) explicity
* remove unnecessary try...except clause
* remove unused import
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