tweak text when printing APIv3 sliver expiration when all slivers expire at the same time
tweak text when printing APIv3 sliver expiration when all slivers expire at the same time

plantigrade/geni-tools,tcmitchell/geni-tools,ahelsing/geni-tools,plantigrade/geni-tools,tcmitchell/geni-tools,ahelsing/geni-tools