Eleventh Commit.
Safe Commit. Added LexRankSim and IDFMatrix file and moved FrequencyMatrix out of Cosine Sim. Will be altering CosineSim and FrequencyMatrix such that they isn't depended on a function that takes a tuple of documents and instead takes only one document and generates the matrix.
Twelfth Commit.
Lots of stuff. Parser and Stemmer added. Parser was redone. IDFMatrix and FrequencyMatrix redone and completed.
LexRankSim still needs some work.