anchor.diff:  part of coUserver;
   
   class HeliKitty extends NPC {
  -  int age = 3; //TODO: make them get older
  +  int age;
   
     HeliKitty(String id, int x, int y) : super(id, x, y) {
       type = "Heli Kitty";
  
positive.code:         "http://c2.glitch.bz/items/2012-12-06/npc_kitty_chicken__x1_3sleep_png_1354840561.png",
          952, 1035, 136, 115, 57, true)
      };
  
      currentState = states[sheetName("fly")];
  
      responses = {};
    }
  
    Future<bool> pet({WebSocket userSocket, String email}) async {
      bool success = await super.trySetMetabolics(email,energy:-2,mood:10,imgMin:5,imgRange:3);
      if(!success) {
        return false;
      }
      currentState = states[sheetName("hitBall")];
      respawn = new DateTime.now().add(new Duration(milliseconds:3333));
      StatBuffer.incrementStat("helikittiesPetted", 1);
      say(responses["pet"].elementAt(rand.nextInt(responses["pet"].length)));
  
      return true;
    }
  
  
negative.code:       "actionWord": "petting"
      });
      speed = 10; //pixels per second
      age = 3; //TODO: make them get older
      states = {
        // newborn (variation 1)
        "1blink": new Spritesheet("1blink",
  