Implemented revoking all tokens of a user client via a super client.

Change-Id: I08dbd09b68a0ae17f810ec0bdc68951318aea9fe
diff --git a/full/Changes b/full/Changes
index 45cab74..65b5d4c 100644
--- a/full/Changes
+++ b/full/Changes
@@ -13,6 +13,9 @@
 6/12/2018
    - Added debug flags to mitigate log4j debugging performance (margaretha)
    - Fixed KoralNode at() method (margaretha)
+11/12/2018
+   - Implemented revoking all tokens of a user client via a super client
+   (margaretha)   
    
 # version 0.61.3
 17/10/2018