Fix typo on README.md
Checking in changes prior to tagging of version 0.01.

Changelog diff is:

diff --git a/Changes b/Changes
index cbb3ebb..05f534e 100644
--- a/Changes
+++ b/Changes
@@ -2,5 +2,7 @@ Revision history for Perl extension XiuMai

 {{$NEXT}}

+0.01 2014-10-12T00:18:06Z
+
     - original version