Merge pull request #29 from mfrancis95/mike

Structural edits and map changes.
Added TreeSort.
Added SelectionSort.
Beginning of ArraySet
LinkedMap Complete
ArraySet Edited
LinkedMapTest Complete
ArrayQueueTest Complete
LinkedQueue Complete
LinkedQueueTest Complete
ArrayStack Complete
LinkedStack Complete
ArrayListTest Complete
LinkedListTest Complete
ArrayQueueTest Complete
LinkedQueueTestComplete
BubbleSortTest Complete
InsertionSortTest Complete
ArrayStackTest Complete
LinkedStackTest Complete