public void Remove(IDestinationMove moverToDelete)
 {
     if (movers.Contains(moverToDelete))
     {
         movers.Remove(moverToDelete);
     }
 }
 public void Add(IDestinationMove newMover)
 {
     if (!movers.Contains(newMover))
     {
         movers.Add(newMover);
     }
 }
 public void AddNewMover(IDestinationMove mover)
 {
     Add(mover);
 }