root/pypi: links for chemtrayzer

root/pypi chemtrayzer-3.0.0b4.tar.gz
root/pypi chemtrayzer-3.0.0b4-py3-none-any.whl
root/pypi chemtrayzer-3.0.0b3.tar.gz
root/pypi chemtrayzer-3.0.0b3-py3-none-any.whl