Merge pull request #66 from kaitlinhuben/master

Moved fileutil.py and funct.py files into helpers
Merge pull request #67 from kaitlinhuben/master

Fixed compiler to recognize/stop on all errors
Merge pull request #68 from kaitlinhuben/master

Code cleanup, added lang=None back in, and changed bad lang to new kind of error
Merge pull request #69 from kaitlinhuben/master

Updated README
Merge pull request #71 from kaitlinhuben/master

Added "None" to reserved words (Python)