diff --git a/README.md b/README.md
index 25afade..70d9d02 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,6 @@ The app has a few nodejs packages dependencies. If you want to install them manu
 ```
 cd nodePong
 npm install fs
-npm install colors
 npm install express
 npm install http
 npm install socket.io
diff --git a/nodePong.js b/nodePong.js
index c5141f9..cdfe781 100644
--- a/nodePong.js
+++ b/nodePong.js
@@ -9,34 +9,38 @@
  */
 //--- 
 var fs = require('fs');
-var colors = require('colors');
 var express = require('express');
 var http = require('http');
 var iosocket = require('socket.io');
 //--- server app libs & params
-var servU = require('./server/server_utils.js');
-var servP = require('./server/server_params.js');  
+//var servP = require('./server/server_config.js');  
+var nPong = require('./server/server_core.js');
+//--- nodePong config
+var config = require('./server/server_config.js');
+
+
+
+//
+nPong.Server.setVersion(config.VERSION);
+nPong.Server.log("$ ##### nodePong - v" + nPong.Server.version);
 
 
 /*
  * starting HTTP and socket.io services
  */
-//---
-serverMsg("$ ##### nodePong - v0.0.1 ");
-
 //--- HTTP server
-serverMsg("$ # starting http service on port " + servP.params.port);
+nPong.Server.log("$ # starting http service on port " + config.HTTP.port);
 var app = express();
 var httpserv = http.createServer(app);
-httpserv.listen(servP.params.port);
+httpserv.listen(config.HTTP.port);
 //--- allow access to static files from "/client" directory
 app.use(express.static(__dirname + '/client/'));
 
 //--- socket.io
-serverMsg('$ # registering socket.io service on port ' + servP.params.port);  
+nPong.Server.log('$ # registering socket.io service on port ' + config.HTTP.port);  
 var io = require('socket.io').listen(httpserv, {log: false});
-
-serverMsg('$ #####');
+//
+nPong.Server.log('$ #####');
 
 
 
@@ -46,13 +50,3 @@ serverMsg('$ #####');
  */
 //---
 
-
-
-
-
-/*                                                                                                      
- * FUNCTIONS 
- */
-function serverMsg(msg) {
-  return console.log((servU.datelib.newDateToString() + msg).yellow);
-} 
diff --git a/server/server_config.js b/server/server_config.js
new file mode 100644
index 0000000..7fbb05c
--- /dev/null
+++ b/server/server_config.js
@@ -0,0 +1,25 @@
+/**
+ * @file server_config.js
+ * @author frtk
+ */
+
+var VERSION = '0.0.5';
+
+/**
+ * HTTP Service
+ */
+var HTTP = {
+  port: 8042,
+}
+
+
+
+/**
+ *
+ * EXPORTS
+ *
+ */
+if (typeof exports !== "undefined") {
+  exports.HTTP = HTTP;
+  exports.VERSION = VERSION;
+}
diff --git a/server/server_core.js b/server/server_core.js
new file mode 100644
index 0000000..552255e
--- /dev/null
+++ b/server/server_core.js
@@ -0,0 +1,117 @@
+/**
+ * @file server_core.js
+ * @author frtk                                                                                 
+ */
+
+
+
+/**
+ *
+ * nodePong Server Object
+ *
+ */
+var Server = {
+  
+  /*
+   * Data 
+   */
+  // version
+  version: '',
+  // Users and Games
+  users: [],
+  games: [],
+
+
+  /*
+   *
+   */
+  //--- init()
+  init: function() {
+    var self = this;
+
+  },
+
+
+  //--- setVersion(s)
+  setVersion: function(s) {
+    this.version = s;
+  },
+
+
+
+  /*
+   * Server Messages
+   */ 
+  //--- 
+  log: function(msg) {
+    var self = this;
+    return console.log(self.newDateToString() + msg);
+  },
+  //--- dateToString
+  dateToString: function(date) {
+    var self = this;
+    return '[' + self.addZero(date.getHours(), 'h') + ':' 
+               + self.addZero(date.getMinutes(), 'm') + ':' 
+               + self.addZero(date.getSeconds(), 's') + ':' 
+               + self.addZero(date.getMilliseconds(), 'ms') + ']';
+  },
+  //--- addZero
+  addZero: function(value, type) {
+    switch(type) {
+      case 'h':
+      case 'm':
+      case 's':
+        if (value < 10) value = '0' + value;
+          break;
+      case 'ms':
+        if (value < 10) value = '00' + value;
+        else if (value >= 10 && value < 100) value = '0' + value;
+        break;
+      default:
+        break;                  
+    };
+    return value;
+  },
+  //--- return new date string
+  newDateToString: function() {
+    var self = this;  
+    return self.dateToString(new Date());
+  },
+
+   
+
+};
+
+
+
+/**
+ *
+ * nodePong User Object
+ *
+ */
+var User = function(name) {
+};
+
+
+
+/**
+ *
+ * nodePong Game Object
+ *
+ */
+var Game = function() {
+};
+
+
+
+
+/**
+ *
+ * EXPORT
+ *
+ */
+if (typeof exports !== "undefined") {
+  exports.Server = Server;
+  exports.User = User;
+  exports.Game = Game;
+}
diff --git a/version.md b/version.md
index 6c38e83..1a0ed5b 100644
--- a/version.md
+++ b/version.md
@@ -1,5 +1,22 @@
 
 
+
+
+### **v0.0.5:**
+- objects naming convention change in server_core.js, and consequently in nodePong.js
+- added "User" and "Game" Objects skeletton in server_core.js
+- added "version" as a parameter of core.Server object (to later send it to clients @ connection)
+
+
+### **v0.0.4:**
+- added server_core.js, with "core" app server side object skeletton
+- added "serverMsg" features to "core" (including date utilities)
+- removed server_utils.js (moved serverMsg() function to the core object)
+- updated README.md (removed "npm install colors) 
+- moved server.params.js to server_config.js, and changed naming convention
+- updated nodePong.js with new config setup
+
+
 ### **v0.0.3:**
 - Added infos in README.md