Checking in changes prior to tagging of version 0.02.

Changelog diff is:

diff --git a/Changes b/Changes
index 5bbec75..e318daf 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,9 @@ Revision history for Perl extension Vector-QRCode-IntoPDF

 {{$NEXT}}

+0.02 2014-04-09T06:38:02Z
+    - modify test. Now Digest::SHA isn't a dependent module.
+
 0.01 2014-02-28T08:55:56Z

     - original version