integration of  TupleTrackerExecutor
integration of  TupleTrackerExecutor
integration of  TupleTrackerExecutor
integration of  TupleTrackerExecutor
integration of  TupleTrackerExecutor
integration of  TupleTrackerExecutor
Merge remote-tracking branch 'jennie/master' into partitioning-planner
integration of  TupleTrackerExecutor
integration of  TupleTrackerExecutor
integration of  TupleTrackerExecutor
integration of  TupleTrackerExecutor
integration of  TupleTrackerExecutor
refining algo for managing ranges to deal with adjacent ones, added appending to JSON handling