root/pypi: links for business-duration

root/pypi business_duration-0.67.tar.gz
root/pypi business_duration-0.66.tar.gz
root/pypi business_duration-0.65.tar.gz
root/pypi business_duration-0.64.tar.gz
root/pypi business_duration-0.63.tar.gz
root/pypi business_duration-0.62.tar.gz
root/pypi business_duration-0.61.tar.gz
root/pypi business_duration-0.6.tar.gz
root/pypi business_duration-0.5.tar.gz
root/pypi business_duration-0.4.tar.gz
root/pypi business_duration-0.3.tar.gz
root/pypi business_duration-0.2.tar.gz