Added an admin API for clearing access token cache.

Change-Id: I3ec2d47294229c3ccdfaa0701bec16eae54dada4
diff --git a/full/Changes b/full/Changes
index 816abfd..cda6540 100644
--- a/full/Changes
+++ b/full/Changes
@@ -1,6 +1,8 @@
 # version 0.62.4
 24/01/2020
-   - Removed salt from config and updated config files.
+   - Removed salt from config and updated config files (margaretha)
+03/02/2020
+   - Added an admin API for clearing access token cache (margaretha)
    
 # version 0.62.3
 03/12/2019