Initial commit
Don't commit large data files
Ignore tex files
Added brief comments for py scripts
Changing subcats
pull
Merge branch 'master' of https://github.com/rhwang201/294-1-hw3

Obtain latest Tokenizer.scala
Merge branch 'master' of https://github.com/rhwang201/294-1-hw3

merging
Merge branch 'master' of https://github.com/rhwang201/294-1-hw3

merging
adding tools