public HorebUser Insert(string username, string password)
        {
            HorebUser user = new HorebUser(username);

            _userCollection.Add(user);
            return(user);
        }
        public HorebUserCollection FindByName(string name)
        {
            HorebUserCollection collection = new HorebUserCollection();

            foreach (HorebUser currentUser in _userCollection)
            {
                if (currentUser.Name.Contains(name))
                {
                    collection.Add(currentUser);
                }
            }
            return(collection);
        }
        public HorebUserCollection GetAll(int startAt, int range)
        {
            HorebUserCollection collection = new HorebUserCollection();
            int loopCounter = 0;

            foreach (HorebUser currentUser in _userCollection)
            {
                if (loopCounter >= startAt && loopCounter < startAt + range)
                {
                    collection.Add(currentUser);
                }
            }
            return(collection);
        }