Return HTTP Status on success too

Darko,

I have included the ResponseStatus for the onSuccess event.

This allow checking the 200 range of HTTP statuses that indicate success with additional restrictions. Eg. to allow checking for cases like 204, succes but no data returned (it so happens that one of my REST api's returns files, except when there is no file present, then it returns 204 and no data)

Happy holidays and greetings from The Netherlands,
Fred