root/pypi: links for retwist

root/pypi retwist-0.4.2.tar.gz
root/pypi retwist-0.4.1.tar.gz
root/pypi retwist-0.4.1-py3-none-any.whl
root/pypi retwist-0.4.tar.gz
root/pypi retwist-0.3.tar.gz
root/pypi retwist-0.2.tar.gz
root/pypi retwist-0.1.tar.gz
root/pypi retwist-0.1-py3.6.egg
root/pypi retwist-0.1-py3.5.egg
root/pypi retwist-0.1-py2.7.egg
root/pypi retwist-0.1-py2-none-any.whl