Prepare dist
Add license
Checking in changes prior to tagging of version 0.13.

Changelog diff is:

diff --git a/Changes b/Changes
index f9111a8..b776140 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,8 @@ Revision history for perl module Protocol::WebSocket

 {{$NEXT}}

+0.13 2013-10-13T17:17:03Z
+
  - Implemented set cookies for requests (Joao Orui)

  The following changes made by Toshio Ito (debug-ito):