Map for hash table
Test for hash table map
Map for hash set
Test for hash set map
Map for queue
Test for queue map
Map for heap
Test for heap map
Fixed two syntax problems
Changed name from map to forEach
forEach for MinHeap iterates in order
Tests for proper order in forEach for MinHeap and MaxHeap
Better descriptions for forEach tests
Fixed syntax problems
Merge pull request #88 from joshuacurl/map

Map for data structures