Checking in changes prior to tagging of version 0.12.

Changelog diff is:

diff --git a/Changes b/Changes
index cbff8a4..a63f9f4 100644
--- a/Changes
+++ b/Changes
@@ -1,6 +1,12 @@
 Revision history for Perl extension WWW::GoKGS.

+0.12 Jun 23rd, 2014
+
   - WWW::GoKGS#user_agent defaults to LWP::RobotUA
+    to avoid overloading the KGS server, while you can still set
+    your own user agent.
+  - Add #from which is used to construct LWP::RobotUA object.
+    This attribute is required.

 0.11 Jun 22nd, 2014