Previous commit had snuck in a syntax error, fixing
Fire an `uploadStart` event.
Support for `minFileSize` and `maxFileSize` settings.
Solve issue #54 (copied in #58) where the main `query` setting would be poluted by data from each Resumable chunk.
Fixed typo with a 'bytes' too many in error messages.
Updated the introduction to Resumable.
Added documentation
Include browser event information with `fileAdded` event.
(Missed a spot in previous commit)