Py3Migration: change command to subprocess
Py3Migration: Making __hash__ explicit
Py3Migration: Use print() instead of statement
Merge remote-tracking branch 'upstream/master' into python3
Py3Migration: replace StandardError Exception
Py3Migration: replace dict.iteritems method
Py3Migration: use __future__ import
Py3Migration: Refactoring __hash__
Merge pull request #113 from mpsonntag/python3

Python3 migration

LGTM