BigInteger mc_project_rename_category_by_name(String username,
                                                String password,
                                                BigInteger project_id,
                                                String p_category_name,
                                                String p_category_name_new,
                                                BigInteger p_assigned_to) throws RemoteException;
BigInteger mc_project_rename_category_by_name(String username,
                                                String password,
                                                BigInteger project_id,
                                                String p_category_name,
                                                String p_category_name_new,
                                                BigInteger p_assigned_to)