Use database for querying VC statistics.

Change-Id: I653763d56bf5314a0f06b34b9f333ebe3251e88a
diff --git a/Changes b/Changes
index b10606e..253a13d 100644
--- a/Changes
+++ b/Changes
@@ -1,6 +1,8 @@
 # version 1.0.1
 
 - Add an exception for missing layer.
+- Use database for querying VC statistics.
+
 
 # version 1.0