stagger/__init__.py:  Refuse to run under Python 3.1.0. stagger/util.py (python_version_check): New function.
stagger/__init__.py:  Refuse to run under Python 3.1.0.
stagger/util.py (python_version_check): New function.

manolomartinez/stagger,deNULL/stagger,danielthesoto/stagger,penfold1992/stagger,Rose-Hawk/stagger,Rasor1911/stagger,SpaWnAge/stagger,efth/stagger,Reroot/stagger,radec94/stagger