michaelg/dev: links for pyfailsafe

root/pypi pyfailsafe-0.6.0.tar.gz
root/pypi pyfailsafe-0.5.0.tar.gz
root/pypi pyfailsafe-0.4.0.tar.gz
root/pypi pyfailsafe-0.3.1.tar.gz
root/pypi pyfailsafe-0.3.0.tar.gz
root/pypi pyfailsafe-0.2.0.tar.gz
root/pypi pyfailsafe-0.1.2.tar.gz
root/pypi pyfailsafe-0.1.1-py3-none-any.whl