Added CQL tutorial.

Change-Id: I38db9fd770d7dbe409a731a7bf778b1361b585fa
diff --git a/Changes b/Changes
index c274529..6c64d82 100755
--- a/Changes
+++ b/Changes
@@ -1,10 +1,11 @@
-0.35 2019-07-15
+0.35 2019-07-17
         - Added EXPERIMENTAL proxy to API route.
         - Remove deprecated api configuration
           (requires api_path instead now).
         - Deprecated 'collection' parameter in
           favor of 'cq' (#92).
         - Update API for statistics.
+        - Introduced documentation on CQL (margaretha).
 
 0.34 2019-06-26
         - Introduced guided tour (hebasta, #19).