Improved test suite for caching and rei

Change-Id: I1b3c3b7fe47b4ddd8f867edcc91e66e41d607fe9
diff --git a/Changes b/Changes
index 6f77b7a..7f86e96 100644
--- a/Changes
+++ b/Changes
@@ -3,6 +3,7 @@
 	- Added multiple archive support to korapxml2krill.
 	- Added support for prefix negation in korapxml2krill.
 	- Added support for Malt#Dependency.
+	- Improved test suite for caching and REI.
 
 0.17 2016-03-22
         - Rewrite siglen to use slashes as separators.