Separte Readme
separted docs
Merge remote-tracking branch 'butchler/master'
Merge branch 'master' of https://github.com/butchler/PL0-compiler
folder organization
organize test helpers
Merge https://github.com/nbardy/PL0-compiler into organize
Add comments a bunch of functions.
Reorganize test functions/files.
Add shell script to compile and run tests.