1. What is an i18n loader?
2. What is the toolchain that Webpack typically uses to convert ECMA scripts?
3. What is Babel mainly used for?
4. Which loader allows users to add custom handling of Babel's configuration?
5. What does polymer-webpack-loader do?
6. What does polymer-webpack-loader offer a developer?
7. When using the Node.js API, what will the callback function that is provided run?