Checking in changes prior to tagging of version 0.58.

Changelog diff is:

diff --git a/Changes b/Changes
index 04bdcbd..824337f 100644
--- a/Changes
+++ b/Changes
@@ -1,6 +1,8 @@
 Revision history for Perl extension CGI::Header.

-  - CGI::Header::Apache2 handles request_rec->status_line properly
+0.58 (1.00-RC11) Jun 5th, 2013
+
+  - CGI::Header::Apache2 updates request_rec->status_line properly

 0.57 (1.00-RC10) Jun 1st, 2013