Checking in changes prior to tagging of version 0.21.

Changelog diff is:

diff --git a/Changes b/Changes
index a2d26e3..2ee97eb 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,16 @@
 Revision history for Perl extension WWW::GoKGS.

+0.21 Aug 21st, 2014
+
+  [WWW::GoKGS::Scraper::TournList]
+
+    - Add $tournament->{notes}, where $tournament denotes an element of
+      $result->{tournaments}
+
+  [WWW::GoKGS::Scraper::TournInfo]
+
+    - Add $result->{notes}
+
 0.20 Jul 14th, 2014

   - Add WWW::GoKGS::Scraper::TzList