root/pypi: links for collective-contact-duplicated

root/pypi collective.contact.duplicated-0.6.tar.gz
root/pypi collective.contact.duplicated-0.5.tar.gz
root/pypi collective.contact.duplicated-0.4.tar.gz
root/pypi collective.contact.duplicated-0.3.0.tar.gz
root/pypi collective.contact.duplicated-0.2.zip
root/pypi collective.contact.duplicated-0.1.zip