if (move instanceof TimeTickMove) timeTickElapsed();
    private void executeOutstandingMoves() {        FreerailsSerializable[] items = sychronizedQueue.read();        for (int i = 0; i < items.length; i++) {            Move move = (Move)items[i];            pendingQueue.moveCommitted(move);	    if (debug && ! (move instanceof TimeTickMove))		System.err.println("pending: " + pendingQueue.pendingMoves.size());        }    }