- Added functionality to collections
Added Spine.collection.List::find
Added Spine.collection.List::findFirst
Added Spine.collection.List::removeAll
Added Spine.collection.Dictionary::has

- More work on filters
Updated Spine.util.filter.Filterable to support multiple filters

- Abstracted render functionality
Added Spine.util.Renderable
Updated Spine.view.Box

- More work enhancing Views
Added Spine.view.ViewManager
Added Spine.view.View::domListeners
Started Spine.view.container.Container
Started Spine.view.layout.Layout

- Additional work on testing
Added tests for Spine.view.Box
Added tests for Spine.view.View

Fixed some JSHint errors