Both Node and Ruby demo don't work in Firefox Version 57.0b14 (64-bit) on Mac Sierra #45
Description
https://www.dropbox.com/s/vb3zwsnb6gb2ejy/Screenshot%202017-11-04%2013.16.50.png?dl=0
may be Firefox 57 and above don't or won't support securelogin:// protocol. But then the README.md needs to be updated with supported FF versions.