updated .gitignore
Checking in changes prior to tagging of version 1.30.

Changelog diff is:

diff --git a/Changes b/Changes
index 9248f67..8bc14ac 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,11 @@ Revision history for Perl extension Test::TCP

 {{$NEXT}}

+1.30 2013-06-03T05:06:28Z
+
+    - Increase the default sleep and retry: 0.01 sec and 1000 times
+      (miyagawa)
+
 1.29 2013-05-29T01:12:47Z

     - Care the `test_tcp(port => undef)` case.