ignore temp files.
Diff Parser which was inspired by work from @fridgei and @scottjab

It probably contains a great deal of the same code as I used theirs as
a starting point.

Original: https://gist.github.com/fridgei/8061665
remove envoy for subprocess

Turns out doing && doesn't work in envoy. :(
up to a working example! Python only, commit comments only.