static void Main(string[] args)
        {
            List <string> equipment = new List <string>
            {
                "plecak",
                "latarka",
                "nóż",
                "sznurek",
                "kompas",
            };
            GameCharacter originator = new GameCharacter("Lara Kravt", 0, 0, 1, equipment);
            Caretaker     caretaker  = new Caretaker(originator);

            caretaker.Backup();
            originator.AddEquipment("buty");
            originator.AddEquipment("kurtka");
            originator.RemoveEquipment("kompas");
            caretaker.Backup();

            originator.AddEquipment("mapa");


            Console.WriteLine();
            caretaker.ShowEquipmentHistory();

            Console.WriteLine();
            caretaker.UndoEquipment();

            Console.WriteLine();
            caretaker.UndoEquipment();


            Console.WriteLine();
            Console.WriteLine("W historii mamy jeszcze następujące wpisy:");
            caretaker.ShowEquipmentHistory();
            Console.Read();
        }