root/pypi: links for pygs

root/pypi PyGS-0.5.0.tar.gz
root/pypi PyGS-0.5.0-py2.7-macosx-10.5-x86_64.egg
root/pypi PyGS-0.4.2.tar.gz
root/pypi PyGS-0.4.2-py2.7-macosx-10.5-x86_64.egg
root/pypi PyGS-0.4.1-2.tar.gz
root/pypi PyGS-0.4.1-py2.7-macosx-10.5-x86_64.egg
root/pypi PyGS-0.4.0.tar.gz
root/pypi PyGS-0.4.0-py2.7-macosx-10.5-x86_64.egg