Added "listed" decorator on functions and version handler methods.

ccserver/handlers.py

@@ -67,6 +67,7 @@ class CCHandler(RpcHandler):
             logging.debug('Called %s.%s', self.__class__.__name__, name)
             return super(CCHandler, self).__getitem__(name)
 
+    @listed
     def functions(self, conn):
         '''
         Show the list of functions available to the peer.
@@ -88,6 +89,7 @@ class CCHandler(RpcHandler):
 
         return cmd_list
 
+    @listed
     def version(self, conn):
         '''
         Return the current server version.