Update Zzz module interface to be more similar to http.Server interface

lib/z.js

@@ -1,27 +1,13 @@
 /**
  * Zees Includes
  */
-var zeeServer	= require("./server");
+var ZzzServer	= require("./server");
 
-/**
- * Globals
- */
-var server;
+module.exports = {
 
-/**
- * Wrap http createServer so that we can dynamically
- * define requestHandler
- * @return {http.Server}
- */
-exports.createServer = function() {
-	server = new ZeeServer();
-	return server;
-};
+    createServer : function() {
+        return new ZzzServer();
+    },
 
-/**
- * Provides interface to http.Server.listen
- * @return {void}
- */
-exports.listen = function() {
-	server.listen.apply(server, arguments);
+    Server : ZzzServer
 }