code: function fireFirstSubUnsubEvent(itemName) {
  		if (subUnsubQueue[itemName].length > 0) {
  			request = subUnsubQueue[itemName][0];
  			that.emit(request.message.verb, itemName, request.response);
  		}
  	}
docs: Fire the first event in the queue
  
  @param {String} itemName the item name
  @private