Merge branch 'master' into ross
Edited remove() to use .equals()
Added ArraySet
AddedLinkedSet
Edited Set interface
Deleted ArraySet and LinekdSet
Edited Set Interface
Created file ArraySet
Merge branch 'master' into ross
Merge branch 'master' into ross
Merge pull request #27 from mfrancis95/ross

Ross
Merge pull request #28 from mfrancis95/mike

Sort changes.
Minor format edits.
Set interface structure changes.
Renamed add() to insert()
Fixed bug where remove() would not remove the value associated with the key if it was the head of the list. Made remove() also remove duplicates in the list.