Builder: Fixes for Pilot

There needs to be a response to all queries.
Also fixed clearing out of old tasks.

distrib/pilot.py

@@ -171,13 +171,13 @@ def clientId(self):
 
     def newTasksForClient(self):
         """Returns the tasks that a client should work on next."""
-
         self.respond({ 'tasks': listTasks(self.clientId(), includeCompleted=False), 'result': 'ok' })
 
     def doAction(self):
         act = self.request['action']
         if act == 'complete_task':
             completeTask(self.request['task'], self.clientId())
+            self.respond({ 'result': 'ok', 'did_action': act })
         else:
             raise Exception("Unknown action: " + act)
 
@@ -245,7 +245,7 @@ def handleCompletedTasks():
     """Check the completed tasks and see if we should start new tasks."""
 
     while True:
-        tasks = listTasks(onlyCompleted=True)
+        tasks = listTasks(allClients=True, onlyCompleted=True)
         if len(tasks) == 0: break
 
         task = tasks[0]