* update vizio component to support latest pyvizio with soundbar support
* Resolved Hound issues
* Additional Hound issue
* Updated based on feedback
* Style updates
* Additional code styling changes
* Added check for auth token not being set for tv device_class
* Limited lines to 80 characters
* moved MAX_VOLUME into base package
* fixed supported commands
* styling changes
* fix styling yet again
* remove unnecessary elif
* removed play/pause since I can't get current state
* changed value access method from config dict
* fixed flake failures
* try to fix docstring
* try to fix docstring
* fixed auth token validation
* rebase and regenerate requirements_all.txt
* updated log text
* line length fix
* added config validation to handle conditionally optional parameter
* updated validate setup log message and string formatting based on review
* fix pylint error
* less ugly
Franck Nijhof
Raman Gupta
Paulus Schoutsen