Checking in changes prior to tagging of version 0.21.

Changelog diff is:

diff --git a/Changes b/Changes
index 8e39c40..16073a5 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,7 @@
 Revision history for Perl extension CGI::Header.

+0.21  Feb 25th, 2013
+
   [CGI::Header::PSGI]

     - psgi_header() is compatible with CGI::Simple's header() method.

Changes

@@ -1,5 +1,7 @@
 Revision history for Perl extension CGI::Header.
 
+0.21  Feb 25th, 2013
+
   [CGI::Header::PSGI]
 
     - psgi_header() is compatible with CGI::Simple's header() method.

MANIFEST

@@ -27,6 +27,8 @@ t/26_set_cookie.t
 t/27_window_target.t
 t/30_cgi_header.t
 t/31_psgi_header.t
+t/40_psgi_header.t
+t/41_psgi_redirect.t
 tools/benchmark.pl
 tools/profile.pl
 xt/pod.t

lib/CGI/Header.pm

@@ -6,7 +6,7 @@ use CGI::Util qw//;
 use Carp qw/carp croak/;
 use List::Util qw/first/;
 
-our $VERSION = '0.20';
+our $VERSION = '0.21';
 
 my $MODIFY = 'Modification of a read-only value attempted';