Url.php: remove unwanted ?PHPSESSID= URL parameters,

update test case

application/Url.php

@@ -99,6 +99,7 @@ class Url
         'action_type_map=',
         'fb_',
         'fb=',
+        'PHPSESSID=',
 
         // Scoop.it
         '__scoop',

tests/Url/UrlTest.php

@@ -85,6 +85,7 @@ class UrlTest extends PHPUnit_Framework_TestCase
         $this->assertUrlIsCleaned('?utm_term=1n4l');
 
         $this->assertUrlIsCleaned('?xtor=some-url');
+        $this->assertUrlIsCleaned('?PHPSESSID=012345678910111213');
     }
 
     /**