docs: function handleMessage(event, message) {
  	/*jshint validthis: true */
  	if (DEBUG_DISPATCHER) log.info('MESSAGE: ' + event);
  	if (!event) {
  		return;
  	}
  	if (message && message !== '') {
  		throw 'A message payload was sent across Redis. We intentionally do not support this to avoid security issues.';
  	}
  
  	var callbacks = this.dispatcher._callbacks[event];
  	if (DEBUG_DISPATCHER) log.info('MESSAGE: CALLBACK LENGTH: ' + (callbacks && callbacks.length));
  	for (var i = 0, iL = callbacks && callbacks.length; i < iL; i++) {
  		callbacks[i].call(this.dispatcher._context, event);
  	}
  }