root/pypi: links for z3c-optionstorage

root/pypi z3c.optionstorage-1.0.7.tar.gz
root/pypi z3c.optionstorage-1.0.6.tar.gz
root/pypi z3c.optionstorage-1.0.5.tar.gz
root/pypi z3c.optionstorage-1.0.4.tar.gz