root/pypi: links for bump-setup

root/pypi bump_setup-1.4.0.tar.gz
root/pypi bump_setup-1.3.0.tar.gz
root/pypi bump_setup-1.2.0.tar.gz
root/pypi bump_setup-1.1.0.tar.gz
root/pypi bump_setup-1.0.0.tar.gz