Updated shutdownToken and added server shutdown description in readme

Change-Id: I30b67730b9d42dd2b8cab2a44f58afa09f475ad9
diff --git a/core/Changes b/core/Changes
index edb5954..5d8758f 100644
--- a/core/Changes
+++ b/core/Changes
@@ -21,7 +21,10 @@
 28/01/2019
    - Updated Rewrite handler (margaretha)
 29/01/2019
-   - Handled "no resource found" cases (margaretha, issue #37)   
+   - Handled "no resource found" cases (margaretha, issue #37)
+30/01/2019
+   - Updated shutdownToken (margaretha)
+   - Added server shutdown description in readme (margaretha) 
 
 version 0.61.4
 14/11/2018