Add maxAge flag to shardtool for cached query control/testing
Add maxAge flag to shardtool for cached query control/testing

quasar-analytics/quasar,quasar-analytics/quasar,jedesah/Quasar,slamdata/slamengine,jedesah/Quasar,drostron/quasar,slamdata/quasar,quasar-analytics/quasar,jedesah/Quasar,drostron/quasar,drostron/quasar,drostron/quasar,slamdata/slamengine,quasar-analytics/quasar,djspiewak/quasar,jedesah/Quasar,slamdata/slamengine