Added Expect#should_be_a
Checking in changes prior to tagging of version 0.08.

Changelog diff is:

diff --git a/Changes b/Changes
index f1d0ccd..0a47d66 100644
--- a/Changes
+++ b/Changes
@@ -2,5 +2,7 @@ Revision history for Perl extension Test-Kantan

 {{$NEXT}}

+0.08 2014-03-04T10:22:23Z
+
     - original version