Allow for event delegation to happen.

By returning `false` from the `setup` and `teardown` hooks we allow jQuery to automatically attach native event handlers on the element thus allowing for event delegation to work.
Added back accidentally removed brace.
Merge pull request #15 from iclanzan/patch-1

Allow for event delegation to happen.
Fixed CustomEvent

The `CustomEvent` constructor lives on `window` and not on `document`.
Merge pull request #16 from iclanzan/patch-2

Fixed CustomEvent