root/pypi: links for pcommerce-shipment-swisspost

root/pypi pcommerce.shipment.swisspost-1.0b3.tar.gz
root/pypi pcommerce.shipment.swisspost-1.0b2.tar.gz
root/pypi pcommerce.shipment.swisspost-1.0b1.tar.gz
root/pypi pcommerce.shipment.swisspost-0.1a1.tar.gz