Added test statistics with referTo and pubDate.

Change-Id: Ic3089000abd47e2d5d9615842e6609956b3e06d1
diff --git a/Changes b/Changes
index 6f9132d..557d0e6 100644
--- a/Changes
+++ b/Changes
@@ -1,7 +1,8 @@
-0.59.3 2020-11-11
+0.59.3 2021-02-18
     - [feature] Added "missing query reference" status code (diewald)
     - [cleanup] Added test coverage checking with
       $ mvn cobertura:cobertura (diewald, kupietz)
+    - [cleanup] Added test statistics with referTo and pubDate (margaretha)
 
 0.59.2 2020-07-24
     - [feature] Add fingerprint method to index (diewald)