* Added the Hydrawise component.
* Fixed lint errors.
* Multiple changes due to review comments addressed.
* Simplified boolean test. Passes pylint.
* Need hydrawiser package version 0.1.1.
* Added a docstring to the device_class method.
* Addressed all review comments from MartinHjelmare.
* Changed keys to single quote. Removed unnecessary duplicate method.
* Removed unused imports.
* Changed state to lowercase snakecase.
* Changes & fixes from review comments.
David Ryan