refactored perform to be return an empty value so it can be used via startWithResults. Multiple operations now return status for the latest, not all operations
refactored perform to be return an empty value so it can be used via startWithResults. Multiple operations now return status for the latest, not all operations

mlilback/rc2SwiftClient,mlilback/rc2SwiftClient,mlilback/rc2SwiftClient,mlilback/rc2SwiftClient,mlilback/rc2SwiftClient,mlilback/rc2SwiftClient