Rev470, Keep track downloaded optional files in hashfield, Peer getHashfield command, Check optional files on verifyFiles, Test hashfield, Test hashfield exchange

src/Config.py

@@ -8,7 +8,7 @@ class Config(object):
 
     def __init__(self, argv):
         self.version = "0.3.2"
-        self.rev = 467
+        self.rev = 470
         self.argv = argv
         self.action = None
         self.createParser()