Chapter 3 prep.  Chapter 2 files were moved into their own directory.  The top directory now contains the files needed for chapter 3.  To test the parser do  test.sml   You will get a sense of how much more work needs to be done! A gitignore file was also added.
Merge branch 'master' of github.com:Zamooor/Compiler

I'm doing this cause git push told me too....