Patches error stack to display correct line numbers. CoffeeScript has built in support for this, but it only works when the script is executed through the `coffee` command. If you are running mocha, node-dev, jasmine or any other method, the functionality isn't on.
Packs ECMAScript/CommonJs/AMD modules for the browser. Allows you to split your codebase into multiple bundles, which can be loaded on demand. Supports loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.