Updated .gitignore
Added normalization
Generalized name of NGram class and changed some debugging stuff.
Uncommented posting line in generateTweet
Moved timeTest to new experiments folder.
Renamed and updated list vs dict script.
Updated dataStat to work with new module system.
Moved general functions and classes to __init__.py for experiments module.
Added script to compare performance of DictBigram vs NGram implementations.
Fixed bug where OOV token was being counted towards vocab length.