* Initial media_player component for the MPC-HC web API.
* Update .coveragerc to exclude the MPC-HC media player component.
* We don't need a session for every HTTP fetch.
* Use host in configuration YAML to match Kodi component.
* Fix PyLint errors.
* Fix PEP8 errors and use more idiomatic Python to get dict() values.
* Add MPC-HC remote command capabilities for basic control.
