Use controller to test only the beginning of one of our training files
Added to_json (dictionary) method to passage class
Fixed paragraph tokenizer and punctuation percentage calculations. Removed some old methods that were no longer being used and added some more documentation
Merged/fixed conflicts with ZWD's changes, made the test_general_extraction a bit more verbose
Merge pull request #8 from NoahCarnahan/paragraph_span_fix

fixed paragraph tokenizing and punct. pct. errors