/**
     * health- given the name of a player, displays the current oxygen saturation of that player to
     * all players in the chat window.
     */
    void health(List <string> args)
    {
        string name = "";

        foreach (string s in args)
        {
            name = name + s + " ";
        }
        name = name.Substring(0, name.Length - 1);
        PlayerControllerScript thePlayer = playerManager.getPlayer(name);

        transform.parent.FindChild("ChatWindow").GetComponent <PhotonView> ()
        .RPC("addMessage", PhotonTargets.All, thePlayer.getHealthScript().oxygenSaturation.ToString());
    }