Checking in changes prior to tagging of version 0.05.

Changelog diff is:

diff --git a/Changes b/Changes
index f0fea47..f229251 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,8 @@
 Revision history for Perl extension AnyEvent::Lingr

+0.05 2013-03-18T16:09:00+09:00
+     - fixed a bug that 'cb' parameter of say method should be optional, but not in 0.04
+
 0.04 2013-03-18T09:14:00+09:00
      - added a missing prereq.