/// <summary>
/// Detach'er alle observers fra subjekt
/// </summary>
/// <param name="observer"></param>
public void Detach(IObserverLL observer)
{
observers.Remove(observer);
}
/// <summary>
/// Attach'er alle oberservers til subjekt
/// </summary>
/// <param name="observer"></param>
public void Attach(IObserverLL observer)
{
observers.Add(observer);
}
