public void removeUser(User user) {
		try {
			GameManager.getInstance().removeUserFromGame(user);
			users.remove(user);
			authenticatedUsers.remove(user);
			if(user.getUser_name() != null)
				System.out.println("User " + user.getUser_name() + " disconnected");
			else
				System.out.println("User " + user.getPort() + " disconnected");
			System.out.println("Number of users connected: " + users.size());
		} catch (Exception e) {
			e.printStackTrace();
		}
	}