Fixed runtests.sh to be system agnostic (minus windows)
Cleaned up some printing inconsistencies.
Removed improperly placed tests file.
Merge branch 'master' of github.com:Nearhan/haikuwriters
Ignoring pycharm project.
Converted ScoreTree to nltk.tree.ImmutableTree
Refactored operations to be a little more robust.
Added FrequencyMetrics and some tests.
Updated ScoreTrees and tests to rock your socks off.
Updated tests to cover more cases.
Moved tree/tests.py to tree_tests.py to better match typical test filenaming style.
Wrote some tests for score equality.
Added basic evaluation functionality.
Added choose functionality.
Merge pull request #1 from jeffmay/master

Made some changes we talked about.