root/pypi: links for sphinxcontrib-mscgen

root/pypi sphinxcontrib-mscgen-0.4dev-20090703.tar.gz
root/pypi sphinxcontrib-mscgen-0.6.tar.gz
root/pypi sphinxcontrib-mscgen-0.5.tar.gz
root/pypi sphinxcontrib-mscgen-0.4.tar.gz
root/pypi sphinxcontrib_mscgen-0.4.dev20181106-py3.6.egg
root/pypi sphinxcontrib-mscgen-0.3.tar.gz