Updated config.py to be both python 2 and 3 compatible
Updated config.py to be both python 2 and 3 compatible

I'm sure there is a more elegant way to do this, but splitting the
byteify function into two versions seems to be the most reliable way to
go.

thinkst/opencanary,thinkst/opencanary,thinkst/opencanary,thinkst/opencanary