+2013-12-07 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - shogi_server/pairing.rb, player.rb:
+ Simplify estimated rate of unrated players (less memory).
+
+2013-12-05 Daigo Moriwaki <daigo at debian dot org>
+
+ * [shogi-server]
+ - Added a new pairing method, ShogiServer::ExcludeUnratedPlayers,
+ which filters out unrated players.
+ - Enhanced syntax of Floodgate time configuration file.
+ Now it supports "set pairing_factory <function_name>"; it sets a
+ factory function name generating a pairing method which will be
+ used in a specific Floodgate game.
+ ex. set pairing_factory floodgate_zyunisen
+