private function addOutput($output, $keep = true){
      $old_output = $this->action_out;
      if($old_output == "Platzhalter")
        $this->action_out = $output;
      else{
        $new_parts = explode("|", $output);
        $old_parts = explode("|", $old_output);
        $new_output = array();

        if($keep)
          $new_output[0] = $old_parts[0];
        else
          $new_output[0] = $new_parts[0];

        //header rausschneiden
        unset($old_parts[0]);
        //keys neu vergeben
        $ol = array_merge($old_parts);
        // offset -1 letztes paar $k => $v
        // added $x
        $x = array_slice($ol, -1, 1);
        // key = counter
        $c = array_keys($x);
        $nl = $new_parts[1];
        for($i = 0;$i <= $c;$i++){
          $new_output[] = $ol[$i];
          //array_fill($i+1, 1,$ol[$i]);
          if($i == $c)
            $new_output[] = $nl;
        }
        $this->action_out = implode("|", $new_output);
      }
    }