XNAT-2527: Add timestamp to file name in anon temp directory to reduce risk of concurrent access.
XNAT-2526: Maintain a lock on files that are being importered to prevent concurrent file modifications.
XNAT-2530: Added more explicit message for failure on subject GET REST failure.
XNAT-2537: Fixed cast to long that broke project-specific config calls.
XNAT-2583: TriggerPipelines variable is being ignored in PrearcSessionArchiver