Added

• Added MultiResult helper class to build process graphs with multiple result nodes (#391)

Fixed

• MultiBackendJobManager: Fix issue with duplicate job starting across multiple backends (#654)
• MultiBackendJobManager: Fix encoding issue of job metadata in on_job_done (#657)
• MultiBackendJobManager: Avoid SettingWithCopyWarning (#641)
• Avoid creating empty file if asset download request failed.
• MultiBackendJobManager: avoid dtype loading mistakes in CsvJobDatabase on empty columns (#656)
• MultiBackendJobManager: restore logging of job status histogram during run_jobs (#655)