root/pypi: links for drugstandards

root/pypi drugstandards-0.6.tar.gz
root/pypi drugstandards-0.5.tar.gz
root/pypi drugstandards-0.4.tar.gz
root/pypi drugstandards-0.3.tar.gz
root/pypi drugstandards-0.2.tar.gz
root/pypi drugstandards-0.1.tar.gz