root/pypi: links for pcf8574-library

root/pypi pcf8574-library-0.0.2.tar.gz
root/pypi pcf8574_library-0.0.2-py3-none-any.whl
root/pypi pcf8574-library-0.0.1.tar.gz
root/pypi pcf8574_library-0.0.1-py3-none-any.whl