Added total result cache (close #599)

Change-Id: Iacf748bd0f43597c65bf1bf0511dd69e9467a086
diff --git a/full/Changes b/full/Changes
index 7b459df..caa143e 100644
--- a/full/Changes
+++ b/full/Changes
@@ -4,6 +4,7 @@
 - Removed old database configurations (#612)
 - Removed old tests
 - Removed unnecessary caches and methods in the authentication interface
+- Added total result cache (#599)
 
 # version 0.70.1