Implemented OpenID token service for authorization code flow.

Change-Id: Ibfeceb73bff1b53020764f8664d587b0e2415129
diff --git a/full/Changes b/full/Changes
index 4c99586..8a401af 100644
--- a/full/Changes
+++ b/full/Changes
@@ -1,10 +1,12 @@
 version 0.60.4
-18/06/2018
+19/06/2018
     - implemented OAuth2 authorization code request with OpenID Authentication (margaretha)
     - enabled OAuth2 authorization without OpenID authentication using Nimbus library (margaretha)
     - implemented response handler for OpenID authentication errors in authorization requests (margaretha)
     - added tests regarding OpenID authentication in authorization requests (margaretha)
     - implemented OAuth2 authorization error response via redirect URI instead of JSON (margaretha)
+    - added state to OAuth2 authorization error response (margaretha)
+    - implemented OpenID token service for authorization code flow (margaretha)
     
 version 0.60.3
 06/06/2018