root/pypi: links for duffie2013

root/pypi duffie2013-0.2.0.tar.gz
root/pypi duffie2013-0.2.0-py3-none-any.whl
root/pypi duffie2013-0.1.1.tar.gz
root/pypi duffie2013-0.1.1-py3-none-any.whl
root/pypi duffie2013-0.1.0.tar.gz
root/pypi duffie2013-0.1.0-py3-none-any.whl