Added SchemeHandlerResponse.StatusCode.
Added SchemeHandlerResponse.RedirectUrl.
Added SchemeHandlerResponse.ContentLength.
SchemeHandlerWrapper bug fix: Must return false from ReadResponse when response is complete.
Added SchemeHandlerResponse.CloseStream, to have SchemeHandlerWrapper close the response stream once it has read all data.
Merge pull request #184 from provegard/response-options

Additional SchemeHandlerResponse options