root/pypi: links for cascabel

root/pypi cascabel-1.0a2.tar.gz
root/pypi cascabel-1.0a2-py3-none-any.whl
root/pypi cascabel-1.0a2.dev1.tar.gz
root/pypi cascabel-1.0a2.dev1-py3-none-any.whl
root/pypi cascabel-1.0a1.dev1.tar.gz
root/pypi cascabel-1.0a1.dev1-py3-none-any.whl