updating branch
zach tinkering with pos counting and unknown words
Merge branch 'posTagging' of https://github.com/NoahCarnahan/plagcomps into posTagging

Conflicts:
	feature_extractor.py
started table for pos tags
recreating feature extractor
added PoS, puntuation, stopWords, and average frequency word class methods
Second try
Trying to merge master into postagging
Merge https://github.com/NoahCarnahan/plagcomps into posTagging
Merge https://github.com/NoahCarnahan/plagcomps into posTagging
Finally merged with Master and working
Merge branch 'master' of https://github.com/NoahCarnahan/plagcomps