root/pypi: links for z3c-json

root/pypi z3c.json-0.5.5.zip
root/pypi z3c.json-0.5.4.tar.gz
root/pypi z3c.json-0.5.3.tar.gz
root/pypi z3c.json-0.5.2.zip
root/pypi z3c.json-0.5.1.tar.gz
root/pypi z3c.json-0.5.0.tar.gz