Checking in changes prior to tagging of version 0.20.

Changelog diff is:

diff --git a/Changes b/Changes
index 0b04528..a2d26e3 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,7 @@
 Revision history for Perl extension WWW::GoKGS.

+0.20 Jul 14th, 2014
+
   - Add WWW::GoKGS::Scraper::TzList
   - Add WWW::GoKGS#cookie_jar