added dissconnect method

lib/restify-session.js

@@ -1,13 +1,13 @@
 /**
  * @class node_modules.restify_session
- * 
+ *
  * @author Marcello Gesmundo
- * 
+ *
  * This module manage session for a restify server without cookies. It uses Redis (>=2.0.0) as fast session store.
  * Derived from redis-session.
- * 
+ *
  * # Example
- * 
+ *
  *      var restify = require('restify'),
  *          session = require('restify-session')({
  *              debug : true,
@@ -44,19 +44,19 @@
  *      Session-Id ViS5pHE5n8McblTATbyFUJTGJyzVFeXOcAEZ41Zs
  *
  * For more information see test/test.js into package folder.
- * 
- *  
- * 
+ *
+ *
+ *
  * # License
- * 
+ *
  * Copyright (c) 2012 Mitchell Simoens (https://github.com/mitchellsimoens/redis-session)
  *
  * Copyright (c) 2012-2014 Yoovant by Marcello Gesmundo. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
- * 
+ *
  *    * Redistributions of source code must retain the above copyright
  *      notice, this list of conditions and the following disclaimer.
  *    * Redistributions in binary form must reproduce the above
@@ -66,7 +66,7 @@
  *    * Neither the name of Yoovant nor the names of its
  *      contributors may be used to endorse or promote products derived
  *      from this software without specific prior written permission.
- *      
+ *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
@@ -463,6 +463,16 @@ module.exports = function(config) {
     });
   };
 
+  /**
+   * Closes the connection to the redis server
+   *
+   * @param  {Function} callback Callback to execute once connection is closed
+   */
+  session.dissconnect = function (callback) {
+    session.client.quit();
+    session.client.on('end', callback);
+  };
+
   /**
    * Manage session in http requests
    *