mojotech/pioneer — pull request #220 by joshtombs (2014-08-26 18:42:43+00:00)
Title: Introduce Widget clear method

Tired of having to do
```coffeescript
a = new @W({root: "input"})
a.clear().then =>
a[method]..........
```

Also nice that it returns widget instead of nothing, because el.clear returns a promise that resolves with nothing