working on testing features
Merge branch 'master' of https://github.com/AJRenold/classification_assignment_i256

* 'master' of https://github.com/AJRenold/classification_assignment_i256:
  Punctuation features
  Included exclamation feature
added author names to some of the files, playing with unigram_features more
fixed merged conflict in Bigram_Features