function createResponder(source, topic, uuid) {
		return function(message, keepalive, callback) {
			post(source, topic, message, uuid, keepalive, callback);
		};
	}
function createResponder(source, topic, uuid) {
		return function(message, keepalive, callback) {
			post(source, topic, message, uuid, keepalive, callback);
		};
	}
function createResponder ( source , topic , uuid ) { return function ( message , keepalive , callback ) { post ( source , topic , message , uuid , keepalive , callback ) ; } ; }
Helper closure to create a function that may be used to respond to a message
@private
@param  {Window} source The window from which the message originated
@param  {String} topic  The topic of the message
@param  {String} uuid   The "unique" ID of the original message
@return {Function}      A function that may be invoked to respond to the message
Helper closure to create a function that may be used to respond to a message
Creates a function that will send a message to the topic