public ActionResult RegistrationForm(string userName, string pass, string email)
        {
            UserModel newUser = new UserModel(userName, pass, email);
            bool      isAdded = user.AddNewUser(newUser);

            if (isAdded == true)
            {
                int id = user.getUserId(userName, pass);
                game.CreateRankingForUser(id);
                return(RedirectToAction("LogIn"));
            }
            else
            {
                Session["error"] = "Vartotojas tokiu vardu jau yra";
                return(RedirectToAction("Register"));
            }
        }