This is a commit
Merge remote-tracking branch 'origin/binary_search2' into binary_search2
Add balance function
"Add docstring for functions in bst."
Merge pull request #19 from johnshiver/binary_search2

Binary search2
Changed test that was typoed and continued to cause travis fails.
Fix in .gitignore to ignore .DS_Store
Fix typo in pq test
Merge remote-tracking branch 'origin/DFT' into DFT
Merge bst file to contain both the balance fucntion and the dft
Conflicts:
	bst/bst.py
Add breadth-first generator function and test