um - shorten URLs naturally, without external link shorteners
REQUIREMENTS
EXAMPLE
$ make
npm install
./cli.js http://www.amazon.com/What-Is-Node-ebook/dp/B005ISQ7JC/ref=sr_1_1?ie=UTF8&qid=1361302974&sr=8-1&keywords=nodejs
http://www.amazon.com/dp/B005ISQ7JC
./cli.js http://stackoverflow.com/questions/2353818/how-do-i-get-started-with-node-js
http://stackoverflow.com/questions/2353818