seungbae/dev: links for cdir

root/pypi cdir-1.4.tar.gz
root/pypi cdir-1.3-py3-none-any.whl
root/pypi cdir-1.2-py3-none-any.whl
root/pypi cdir-1.1-py3-none-any.whl
root/pypi cdir-1.0-py3-none-any.whl