Log Message:
Version 5.1

pkgsrc changes
--------------
Fix Python interpreter in installed file. Rename bin and man files using
PYVERSSUFFIX in post-install. Add ALTERNATIVES file. Fix PKGMANDIR in setup.py.

ChangeLog
===========

* Make ``qr`` script work in Windows.
* Fixed print_ascii function in Python 3.
* Out-of-bounds code version numbers are handled more consistently with a
  ValueError.
* Much better test coverage (now only officially supporting Python 2.6+)