root/pypi: links for quartic-bspline-extension

root/pypi quartic_bspline_extension-0.3.1rc1.tar.gz
root/pypi quartic_bspline_extension-0.3.1rc1-py3-none-any.whl
root/pypi quartic_bspline_extension-0.3.0.tar.gz
root/pypi quartic_bspline_extension-0.3.0-py3-none-any.whl