root/pypi: links for neilpdf

root/pypi neilpdf-4.0.tar.gz
root/pypi neilpdf-4.0-py3-none-any.whl
root/pypi neilpdf-3.0.tar.gz
root/pypi neilpdf-3.0-py3-none-any.whl
root/pypi neilpdf-2.0.tar.gz
root/pypi neilpdf-2.0-py3-none-any.whl