function onTick( fcn ) {
			return next;

			/**
			* Callback to return on a response.
			*
			* @private
			*/
			function next() {
				fcn( request, response );
			}
		}
Returns a callback to return a response on the next tick. Note that this is a workaround for a race condition bug in Node v0.10 (see [nodejs/node#1309][1]).

[1]: https://github.com/nodejs/node/issues/1309

@private
@param {Function} fcn - response function
@returns {Callback} callback to invoke on next tick