riego/dev: links for obra

root/pypi obra-2.5.19.tar.gz
root/pypi obra-2.5.19-py3-none-any.whl
root/pypi obra-2.5.18-py3-none-any.whl
root/pypi obra-2.5.17-py3-none-any.whl
root/pypi obra-2.5.16-py3-none-any.whl