root/pypi: links for py4grid

root/pypi PY4GRID-1.0.5.tar.gz
root/pypi PY4GRID-1.0.5.macosx-10.6-intel.tar.gz
root/pypi PY4GRID-1.0.3.zip
root/pypi PY4GRID-1.0.2.zip
root/pypi PY4GRID-1.0.zip
root/pypi PY4GRID-1.0.tar.gz