public DoubleLinkedList()
{
head = new LinkedHead(this);
tail = new LinkedTail(this);
currentItteration = tail;
this.listSize = 0;
}
private LinkedTail tail; //useful having pointer to tail for end adding?
public LinkedHead(DoubleLinkedList <T> list)
{
this.tail = new LinkedTail(list);
this.setNextNode(tail);
tail.setPreviousNode(this);
}
