root/pypi: links for nbgrader-merge

root/pypi nbgrader_merge-0.1.1.tar.gz
root/pypi nbgrader_merge-0.1.1-py3-none-any.whl
root/pypi nbgrader_merge-0.1.0.tar.gz
root/pypi nbgrader_merge-0.1.0-py3-none-any.whl