/// <summary>
    /// Function that handles back button in the lobby
    /// It's sends to message about user exiting the lobby to the server and destroys client
    /// </summary>
    public void LobbyBackButton()
    {
        GameManager.Instance.players.Clear();

        PlayerList playerList = GameObject.Find("PlayerList").GetComponent <PlayerList>();

        playerList.ClearPlayerList();

        Client c = FindObjectOfType <Client>();

        c.Send("CEXIT");

        if (c != null)
        {
            Destroy(c.gameObject);
        }

        mainMenu.SetActive(true);
        connectMenu.SetActive(false);
        lobbyMenu.SetActive(false);
    }