tl;dr -- gist url's need updating

[Stuart Malin]

I tried "just running some code" but ran into problems with the little code.
Seems the GitHub URL's for curl'ing the content of the gists are:

curl -O https://raw.github.com/gist/975866/little_server.js
curl -O https://raw.github.com/gist/975868/little_client.js

[Marcus Westin]

Thanks! Fixed in b22e596