fix api of open() with auto_field option
Checking in changes prior to tagging of version 0.02.

Changelog diff is:

diff --git a/Changes b/Changes
index a502a8f..d176ab3 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,9 @@ Revision history for Perl extension Norikra-Client

 {{$NEXT}}

+0.02 2013-10-18T09:29:23Z
+    - fix API 'open' with new argument 'auto_field'
+
 0.01 2013-09-18T15:51:23Z

     - original version