root/pypi: links for psiturk-wallace

root/pypi psiturk-wallace-2.2.0.tar.gz
root/pypi psiturk_wallace-2.2.0-py2-none-any.whl
root/pypi psiturk-wallace-2.1.2.tar.gz
root/pypi psiturk_wallace-2.1.2-py2-none-any.whl
root/pypi psiturk-wallace-2.1.1.tar.gz