Create README.md
MinHeap
Update README.md
Adding IndexOutOfRangeException

Now throwing IndexOutOfRangeException on the indexer if it is out of
range
Update README.md
Adding comments

Adding comments and improving names
Merging BinaryMinHeap
Test with random numbers, not sequential

Changing BinaryMinHeap tests to use random numbers, not sequential ones.
Merge branch 'master' into HashTableInProgress