anchor.diff:          {on, Nodes} ->
             change_monitoring(Nodes, true),
             monitoring_loop(on);
  +        {get_version, Pid} ->
  +          Pid ! {monitor_process_version, 1},
  +          monitoring_loop(Flag);
           exit -> ok
         end
     end.
  
positive.code:         {off, Nodes} ->
            change_monitoring(Nodes, false),
            monitoring_loop(off);
          exit -> ok
        end;
      off ->
  
negative.code: 
  handle_call(get_state, _From, State) ->
    {reply, State, State};
  
  handle_call(get_version, _From, State) ->
    {reply, get_version(State), State};
  
  handle_call(_Request, _From, State) ->
    {reply, wrong_request, State}.
  