added moveToBack( NodeType * ) and InActivePortion fns; fixed bug in moveToBack( tListNode ) in which nActiveNodes wasn't being decreased when an active was moved to back of list.
added moveToBack( NodeType * ) and InActivePortion fns; fixed bug in
moveToBack( tListNode ) in which nActiveNodes wasn't being decreased when
an active was moved to back of list.


childmodel/child,childmodel/child,childmodel/child,childmodel/child,childmodel/child,childmodel/child