https://pypi.python.org/packages/source/c/certifi/certifi-2016.8.8.tar.gz#md5=b57513f7670482da45bb350b792f659e
https://pypi.python.org/packages/source/w/wincertstore/wincertstore-0.2.zip#md5=ae728f2f007185648d0c7a8679b361e2