Added a @requires_coordinator decorator function
Use @requires_coordinator on function get_current_track_info
Run @requires_coordinator decorator on get_queue
Run @requires_coordinator decorator on remove_index_from_queue
Run @requires_coordinator decorator on get_queue_length
Run @requires_coordinator decorator on play_index
Run @requires_coordinator decorator on play
Run @requires_coordinator decorator on pause
Run @requires_coordinator decorator on stop
Run @requires_coordinator decorator on play_mode
Run @requires_coordinator decorator on play_next
Run @requires_coordinator decorator on play_previous
Run @requires_coordinator decorator on state
Removed get_coordinator