cjohansen/Sinon.JS — pull request #384 by v0lkan (2014-01-10 20:34:08+00:00)
Title: Since 'juicer' is a generic term, it might make sense to add 

... specific info on how to install juicer in the error output too.

This took an hour of my time to find out (googling for "juicer" gave me all kinds of stuff including images of actual juicers and blenders :) )

I've also added links to ruby, and juicer in the README file.