pom.xml changed
Accumulator moved to util ADTs, modified to final
Counter moved to util ADTs
Accumulator reimplemented with Counter
adt.impl package merged with adt
Accumulator using static factory method of Counter
Main collections interface renamed to Items*
ListNode added
ListNode class reworked
Minor changes
ListNode -> toString() implemented
ListNodeIterator -> toString() implemented
SimpleBag -> toString() implemented
pom.xml modified, version changed