objectProcessorQueue fixes

- it didn't shutdown correctly
- it didn't handle exception correctly (however, if I understand
correctly, this will never be triggered if using blocking get, so it
doesn't affect PyBitmessage)
- flushing size check changed from 1 to 0 (I don't know why it was 1)

src/class_objectProcessor.py

@@ -72,7 +72,7 @@ class objectProcessor(threading.Thread):
                 time.sleep(.5) # Wait just a moment for most of the connections to close
                 numberOfObjectsThatWereInTheObjectProcessorQueue = 0
                 with SqlBulkExecute() as sql:
-                    while shared.objectProcessorQueue.curSize > 1:
+                    while shared.objectProcessorQueue.curSize > 0:
                         objectType, data = shared.objectProcessorQueue.get()
                         sql.execute('''INSERT INTO objectprocessorqueue VALUES (?,?)''',
                                    objectType,data)

src/class_objectProcessorQueue.py

@@ -13,16 +13,17 @@ class ObjectProcessorQueue(Queue.Queue):
         self.curSize = 0 # in Bytes. We maintain this to prevent nodes from flooing us with objects which take up too much memory. If this gets too big we'll sleep before asking for further objects.
 
     def put(self, item, block = True, timeout = None):
-        while self.curSize >= self.maxSize and not shared.shutdown:
+        while self.curSize >= self.maxSize:
             time.sleep(1)
-        if shared.shutdown:
-            return
         with self.sizeLock:
             self.curSize += len(item[1])
         Queue.Queue.put(self, item, block, timeout)
 
     def get(self, block = True, timeout = None):
+        try:
             item = Queue.Queue.get(self, block, timeout)
+        except Queue.Empty as e:
+            raise Queue.Empty()
         with self.sizeLock:
             self.curSize -= len(item[1])
         return item