root/pypi: links for current-requirements

root/pypi current_requirements-1.6.tar.gz
root/pypi current_requirements-1.5.tar.gz
root/pypi current_requirements-1.4.tar.gz
root/pypi current_requirements-1.3.tar.gz
root/pypi current_requirements-1.2.tar.gz
root/pypi current_requirements-1.1.tar.gz
root/pypi current_requirements-1.0.tar.gz