Release candidate of 3.0

* unit tests
* convert the build to Webpack
* smoke tests with wdio
* #20
* #17
* #4

3.0.0-rc.0

2.2.0-rc.0

2.1.0-rc.0

2.0.2-rc.0

2.0.1

* BREAKING CHANGE: Single checkboxes now return string not array

* Added checkbox tests.

* Code is now written in TypeScript

Added support for node.

Added unit tests (work in progress to cover all).

New build process that exposes the core of the project.
Built files are in the folder /dist/, both minified and raw.