Starting filling out methods based off book
add() and grow() finished
trying to implement book methods
Finished all methods but bubbleUp and trickleDown
Updated Readme to current progress
Trying to implement trickleDown
Working code

**NOTE** Only working due to using ZHONGM2's logic and code example (for
specifically trickleDown()).  He and I both were using the books method
and I couldn't figure out how to utilize it and he did.
Final Update to Heap_Lab
Merge pull request #23 from mullinz/mullingh

Mullingh