[python-backlash/f19] (3 commits) ...Add setuptools as a build requirement

[Luke Macken]

Summary of changes:

  e244ebc... Initial import (*)
  bd7e68b... Add a Python3 subpackage and fix the pre-release version (*)
  ab943ef... Add setuptools as a build requirement (*)

(*) This commit already existed in another branch; no separate mail sent