Minor changes: Removing vestigial code

Minor changes: Removing vestigial code

Previous commit:
-Every case where we enqueue an item will be guaranteed to have a case statement upon dequeue.
- Every valid pointer route will now end with either an enqueue to an array or Demsky's interface code with hashStructure.c
-Eliminated multiple traversals, empty switch statements and unused variables/pointers.
-Added new ArrayList based structure to store ObjRefs (only augmented by 1 method)