add sprinkler (and use CompoundInstanceCatalog instead of explicitly looping over objids to write to the output file
add sprinkler (and use CompoundInstanceCatalog instead of explicitly looping over objids to write to the output file

rbiswas4/Twinkles,DarkEnergyScienceCollaboration/Twinkles,LSSTDESC/Twinkles,LSSTDESC/Twinkles,rbiswas4/Twinkles,DarkEnergyScienceCollaboration/Twinkles