fixed error in return structure of 'get_jobs_metadata_fast'
fixed error in return structure of 'get_jobs_metadata_fast'

paczian/MG-RAST,wilke/MG-RAST,teharrison/MG-RAST,paczian/MG-RAST,MG-RAST/MG-RAST,MG-RAST/MG-RAST,paczian/MG-RAST,wilke/MG-RAST,teharrison/MG-RAST,teharrison/MG-RAST,MG-RAST/MG-RAST,paczian/MG-RAST,teharrison/MG-RAST,teharrison/MG-RAST,wilke/MG-RAST,MG-RAST/MG-RAST,MG-RAST/MG-RAST,teharrison/MG-RAST,wilke/MG-RAST,paczian/MG-RAST,wilke/MG-RAST,wilke/MG-RAST,wilke/MG-RAST,paczian/MG-RAST