add a whole bunch of error checks, handling error returns from Omni or the aggregate
add a whole bunch of error checks, handling error returns from Omni or the aggregate

plantigrade/geni-tools,tcmitchell/geni-tools,ahelsing/geni-tools,plantigrade/geni-tools,GENI-NSF/gram,GENI-NSF/gram,tcmitchell/geni-tools,GENI-NSF/gram,ahelsing/geni-tools