* [build] fix pip install issues on OSX High Sierra
I think requirements.txt was out-of-sync as well.
Also had to:
export
LDFLAGS="-L/usr/local/opt/openssl/lib"
export
CPPFLAGS="-I/usr/local/opt/openssl/include"
export
PKG_CONFIG_PATH="/usr/local/opt/openssl/lib/pkgconfig"
* Fix click