root/pypi: links for chem-scripts

root/pypi chem_scripts-0.0.5.tar.gz
root/pypi chem_scripts-0.0.4.tar.gz
root/pypi chem_scripts-0.0.3.tar.gz
root/pypi chem_scripts-0.0.2.tar.gz
root/pypi chem_scripts-0.0.1.tar.gz