PLAT-534: S3Api::perform: ensure that 404 is passed back to the caller rather than throwing, thereby removing the need for the "throwOn404" flag
PLAT-534: pass the "fullInfo" parameter to the bucket+object from the url-based version of getObjectInfo
PLAT-534: S3Api::Response::bodyXml: ensure that the response code is acceptable before parsing the document and throw otherwise