Fix xt/podsynopsis.t.
Checking in changes prior to tagging of version 0.01.

Changelog diff is:

diff --git a/Changes b/Changes
index be29714..4d120a5 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,5 @@
 Revision history for Perl extension Class::Accessor::TrackDirty

-NEXT <<SET RELEASE DATE HERE>>
+0.01 February 22, 2013
     - original version; created by dim
       at Sat Feb 16 12:19:36 2013.
Don't modify caller when calling to_hash().