Cleanup BayesData and SimpleTokenizer
Adding Rakefile, Gemfile, and some tests
downcase stop words and default stop words array
test stemming tokenizer
Initial
Lots of comments and changed guess to return a hash
Basic tests working
Changed BayesData to BayesPool and removed its unused pool attribute
Rename BayesDict to BayesPool
Remove unused Bayes training_count attribute
Added merge_pools tests
Test train