Update build procedure: `npm run-script build`
Update CHANGELOG
v0.2.0
Allow binding to multiple Backbone attributes
Add jQuery dev dep for easier testing
Change from `el.bind` to `model.bindTo`
Add `elvis.on`
Add two-way binding on input value
Set `fromModel` transform using method
Rename test context
Reword test contexts
Add WIP Backbone.Model tests
`value` is a direct attribute

It shouldn't be set with `setAttribute`.
Add transform from element to model
Avoid attribute string semantics

Use arrays explicitly if binding to multiple attributes.
v0.2.1
Add release procedure to README
Change Backbone.Model API to using .set and .get

`.get` and `.set` are better names on the methods for registering a get
and set transform with the binding.
Add some basic function / class documentation
v0.2.2