adding references

src/message.hh

@@ -100,9 +100,8 @@ namespace pEp {
             list in_reply_to() { return strlist_attr(_msg->in_reply_to); }
             void in_reply_to(list value) { strlist_attr(_msg->in_reply_to, value); }
 
-            struct _message *refering_msg_ref;
-            stringlist_t *references;
-            struct _message_ref_list *refered_by;
+            list references() { return strlist_attr(_msg->references); }
+            void references(list value) { strlist_attr(_msg->references, value); }
 
             stringlist_t *keywords;
             char *comments;

src/pEpmodule.cc

@@ -121,6 +121,9 @@ BOOST_PYTHON_MODULE(pEp)
                 "list of identities where message will be replied to")
         .add_property("in_reply_to", (list(Message::*)()) &Message::in_reply_to,
                 (void(Message::*)(list)) &Message::in_reply_to,
-                "in_reply_to list");
+                "in_reply_to list")
+        .add_property("references", (list(Message::*)()) &Message::references,
+                (void(Message::*)(list)) &Message::references,
+                "message references");
 }