- added setuptools setup.py - updated usage.py
- added setuptools setup.py
- updated usage.py

git-svn-id: f8e60ff998d72239c1081e8bd439defbd02fb3ec@36 6bd14dac-74e7-11de-ab85-01204adfcb19

djhenderson/pyshp,lannymac/pyshp,petabytekr/pyshp,micahcochran/pyshp,CalebM1987/pyshp,GeospatialPython/pyshp,tectronics/pyshp,tarsh/pyshp,jzmiller1/pyshp,jzmiller1/pyshp-1,rmgit/pyshp