Exclude search results from robot indices (closes #120)

Change-Id: If6387bb7585afbba80743cad9cfcf8779517c6b3
diff --git a/Changes b/Changes
index c1db812..974abb5 100755
--- a/Changes
+++ b/Changes
@@ -1,4 +1,4 @@
-0.39 2020-08-28
+0.39 2020-09-07
         - Add information on secret file to Readme.
         - Change default API endpoint to korap.ids-mannheim.de.
         - Fix label for toggle plugins.
@@ -7,6 +7,7 @@
         - Introduce base css file for plugins.
         - Refactoring of sass files.
         - Added query form API to plugin server.
+        - Exclude search results from robot indices.
 
         WARNING: If you relied on the former default API endpoint
           being http://localhost:9999/, this will break your