root/pypi: links for downtool

root/pypi downtool-0.3.0.tar.gz
root/pypi downtool-0.2.0.tar.gz
root/pypi downtool-0.1.4.tar.gz
root/pypi downtool-0.1.3.tar.gz
root/pypi downtool-0.1.2.tar.gz
root/pypi downtool-0.1.1.tar.gz
root/pypi downtool-0.0.5.tar.gz
root/pypi downtool-0.0.4.tar.gz