docs: function( roomID, key ) {
  
  		var oldVal;
  
  		if( roomData[ roomID ] === undefined ) {
  
  			return promise.reject( 'There is no room by that id' );
  		} else {
  
  			oldVal = roomData[ roomID ][ key ];
  
  			delete roomData[ roomID ][ key ];
  
  			return promise.resolve( oldVal );
  		}
  	}