elang/base: Make |DoubleLinkedList<Item, Anchor>| holds |Item| pointer instead of |Node| pointer to see contents of |Item| in debugger.
elang/base: Make |DoubleLinkedList<Item, Anchor>| holds |Item| pointer instead of |Node| pointer to see contents of |Item| in debugger.

eval1749/elang,eval1749/elang,eval1749/elang,eval1749/elang,eval1749/elang