Introduce object mechanism to VCs in vc conversion tool

Change-Id: If5d06a0b9b08b9c39700a0eb471a0edfb0d5daf5
diff --git a/core/Changes b/core/Changes
index 12117b3..51e40ed 100644
--- a/core/Changes
+++ b/core/Changes
@@ -5,6 +5,9 @@
    - Added welcome page.
 11/05/2020
    - Added tool to create VC from list (diewald)
+29/05/2020
+   - Improved conversion tool to deal with Cosmas-II VC definitions
+     (diewald)
 
 # version 0.62.3
 03/12/2019