Change setup.py so wheels can be built

[Google Code Exporter]

In order to built a Python wheel for the straightener, I have to change the 
line in setup.py:

from distutils.core import *

to:

from setuptools import setup, Extension

without it, "setup.py bdist_wheel" will not work.

Original issue reported on code.google.com by [e-mail] on 8 Apr 2014 at 3:58