[Scons-dev] scons running on py3 (sortof)

[Neal Becker]

https://nbecker@bitbucket.org/nbecker/scons-replaced-by-scons-p3

This runs 2 fairly complicated builds of mine OK.

I did not really attempt backward compatibility with py2.

I made lots of guesses about what should be bytes and what should be str.
I don't know anything about scons internals, so these are just guesses.