Docs: Simplified description, added a change log, bumped version
Separate change log into its own file + typo fix
Fixed a couple typos
Merge pull request #13 from eventbrite/0.4docs

Docs: Simplified description, added a change log, bumped version
Extracted utility functions
Simple implementation of jQuery compatible deferreds
Added deferred support to `wire` and `rewire`
Send the plugin response to the deferred progress handlers