* Add playbase as a model
* Sonos queue
* Match counting of the queue with service play_queue
* Add service remove_from_queue
* Change description of remove_from_queue
* Use ATTR_QUEUE_POSITION instead of ATTR_CURRENT_QUEUE_POSITION
* Removed queue and show queue_position only when playing local
* Add property queue_position
* Return None instead of -1
* Change docstring from -1 to None