Beggining removeDuplicates(T) implementations
Implemented an indexOf() and a removeDuplicates()
Implemented shuffle() and some other methods

-Added a takeAt()
-Gave PileP a [probably illegal] way to insert at a given position
Redefined error mark

-Methods that returned -1 as error, now return zero.
Some mods
Implemented a disconnect() and append()
Reimplemented the list

Commit before getting rid of the old ListPointerT code
Replaced old code in ListPointerT
Remove the data validation in the insert() methods