root/pypi: links for slack-wrapper

root/pypi slack-wrapper-0.4.2.2.tar.gz
root/pypi slack-wrapper-0.4.2.1.tar.gz
root/pypi slack-wrapper-0.4.2.tar.gz
root/pypi slack-wrapper-0.4.1.tar.gz
root/pypi slack-wrapper-0.4.tar.gz
root/pypi slack-wrapper-0.3.tar.gz
root/pypi slack-wrapper-0.2.tar.gz
root/pypi slack-wrapper-0.1.tar.gz