Thanks, David. Upgrading to Node 7.4.0 allowed me to run `node main.js` without having to pass the flag. Granted, I was using an outdated version of Node, but

Thanks, David. Upgrading to Node 7.4.0 allowed me to run `node main.js` without having to pass the flag. Granted, I was using an outdated version of Node, but perhaps it'd be helpful to add a >= version number to the Node dependency blurb (a la JDK 8). Either way, thanks for your continued efforts!