Mark Task #16 as complete (apache#43)

Author: cbb330

task_list.json

@@ -399,7 +399,7 @@
       "Unit test: Fast count with simple filter",
       "Unit test: Fallback to full scan"
     ],
-    "status": "pending",
+    "status": "complete",
     "depends_on": [14, 15],
     "priority": "P1"
   },