root/pypi: links for cbpi4-pcf8574-gpio

root/pypi cbpi4-PCF8574-GPIO-0.0.6.tar.gz
root/pypi cbpi4-PCF8574-GPIO-0.0.6rc1.tar.gz
root/pypi cbpi4-PCF8574-GPIO-0.0.4.tar.gz
root/pypi cbpi4-PCF8574-GPIO-0.0.2.tar.gz
root/pypi cbpi4-PCF8574-GPIO-0.0.1.tar.gz