Fixed KoralNode at method.

Change-Id: I16052735ef2aca8d04829d21f28c163714bf4da9
diff --git a/full/Changes b/full/Changes
index e789a76..45cab74 100644
--- a/full/Changes
+++ b/full/Changes
@@ -12,6 +12,7 @@
      (margaretha)
 6/12/2018
    - Added debug flags to mitigate log4j debugging performance (margaretha)
+   - Fixed KoralNode at() method (margaretha)
    
 # version 0.61.3
 17/10/2018