Changed Projectstructure + Some changes on pygame-test

Added Username function
Added Gameobjectposition lastframe
Added prototype function  stepping_movement
Code cleanup

gui-tests.py

@@ -4,7 +4,7 @@ import time
 import threading
 import tkinter
 from turtle import left, width
-import User
+import modules.User as User
 import sys
 import tkinter as tk
 from direct import task