root/pypi: links for kollab

root/pypi kollab-0.5.5.tar.gz
root/pypi kollab-0.5.5-py3-none-any.whl
root/pypi kollab-0.5.4.tar.gz
root/pypi kollab-0.5.4-py3-none-any.whl
root/pypi kollab-0.5.3.tar.gz
root/pypi kollab-0.5.3-py3-none-any.whl