Fixed Browserify `window` bug.

* Removed `.bind` dependency and polyfill.
* Updated `gulpfile.js` tasks and namespacing.
* Fixed CommonJS bug.
* Added lazypipe to `gulpfile.js`.

* Converted to Ruby Sass.
* Updated unit test path.
* Switched to event bubbling.

* Added fix for UMD structure.

* Added polyfill for `Functions.prototype.bind`.
* Removed Sass paths from `gulpfile.js`.

* Updated unit tests.
* Added `destroy()` method.
* Fixed a bug that wasn't removing the `.active` class from `li` links.

* Converted to gulp.js workflow.
* Added unit testing.
* Updated naming conventions.
* Removed unused `_config.scss` and `_mixins.scss` files.
* Added minified versions of files.

* Added UMD support.
* Moved public APIs to exports variable.
* Improved feature test.
* Replaced `Array.prototype.forEach` hack with proper `forEach` function.
* Added a more well supported `trim` function.
* General code optimizations for better minification and performance.
* Updated to JSDoc documentation.
* Updated to three number versioning system.
* Added package manager installation info.

Converted from Buoy class helpers to `classList` with polyfill.

* Better public/private method namespacing.
* Require `init()` call to run.
* New API exposes additional methods for use in your own scripts.
* Better documentation.

* Switched to a data attribute for the toggle selector (separates scripts from styles).
* Removed unused `tab-toggle` class.
* Prefixed script with a `;` to prevent errors if other scripts are incorrectly closed.
* Added namespacing to IIFE.
* Updated addEventListener to be more object oriented.
* Moved feature test to script itself.

* Added Sass support.
* Removed horizontal and vertical styling for great design flexibility.
* Add active class to button elements.

* Converted to vanilla JS.
* Removed dependence on jQuery.

Switched from `href` to `data-target` value for tab id, breaking backward compatibility.

Initial release