Checking in changes prior to tagging of version 1.21.

Changelog diff is:

diff --git a/Changes b/Changes
index 1288149..731fbaa 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,10 @@
 Revision history for Perl extension Test::TCP

+1.21 2013-03-03T12:33:49
+
+    - Added Net::EmptyPort::wait_port()
+      (tokuhirom)
+
 1.20 2013-03-02T18:30:25

     - bump up version

Changes

@@ -1,5 +1,10 @@
 Revision history for Perl extension Test::TCP
 
+1.21 2013-03-03T12:33:49
+
+    - Added Net::EmptyPort::wait_port()
+      (tokuhirom)
+
 1.20 2013-03-02T18:30:25
 
     - bump up version

MANIFEST.SKIP

@@ -81,3 +81,4 @@
 ^README.pod$
 ^MYMETA.yml$
 ^Test-TCP-.*/
+^\.travis\.yml$

lib/Test/TCP.pm

@@ -2,7 +2,7 @@ package Test::TCP;
 use strict;
 use warnings;
 use 5.00800;
-our $VERSION = '1.20';
+our $VERSION = '1.21';
 use base qw/Exporter/;
 use IO::Socket::INET;
 use Test::SharedFork 0.12;