Fix the UUID bug in REST API (rapidjson)

git-svn-id: https://redmine.imt-atlantique.fr/svn/xaal/code/Python/branches/0.7@2537 b32b6428-25c9-4566-ad07-03861ab6144f

apps/rest/xaal/rest/app.py

@@ -6,7 +6,7 @@ from xaal.monitor import Monitor
 
 from bottle import default_app,debug,get,request,response,redirect,static_file
 
-import json
+from . import json
 import os
 import platform
 import logging

apps/rest/xaal/rest/json.py

+import rapidjson
+
+"""
+Since version 0.7 xAAL msg are CBOR encoded, this means w/ addresses now
+use Cbor UUID tag. So to avoid error w/ JSON encoder of UUID, we need to 
+use rapidjson that provide UUID to JSON. This wrapper module provide this
+to sio package.
+"""
+
+def dumps(*args,**kwargs):
+    obj = args[0]
+    return rapidjson.dumps(obj,uuid_mode=rapidjson.UM_CANONICAL)        
+
+
+loads = rapidjson.loads