Checking in changes prior to tagging of version 0.13.

Changelog diff is:

diff --git a/Changes b/Changes
index 7599c33..832e2a5 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,9 @@
 Revision history for Perl extension Acme::MorningMusume.

+0.13  Sat Jan 5 2012
+    - updated along with current members.
+      (Thanks to catatsuy)
+
 0.12  Tue Dec 8 2009
     - updated KusumiKoharu.pm for her graduation from Morning Musume at Dec 6 2009..