wrong cut / paste for URL Tag.

git-svn-id: https://redmine.imt-atlantique.fr/svn/xaal/code/Python/branches/0.7@2463 b32b6428-25c9-4566-ad07-03861ab6144f

libs/lib/xaal/lib/bindings.py

@@ -81,7 +81,7 @@ class URL:
 
     @property
     def bytes(self):
-        return self.__uuid.bytes
+        return self.__url