root/pypi: links for pcf8574

root/pypi pcf8574-0.1.3.tar.gz
root/pypi pcf8574-0.1.1.tar.gz
root/pypi pcf8574-0.1.0.tar.gz
root/pypi pcf8574-0.0.5.tar.gz
root/pypi pcf8574-0.0.4.tar.gz
root/pypi pcf8574-0.0.3.tar.gz
root/pypi pcf8574-0.0.2.tar.gz