public static function findHandler($uri)
 {
     $uri_tokens = Request::parse_uri($uri);
     $test_path = '/' . implode('/', $uri_tokens);
     while ($test_path !== '') {
         Log::debug(__CLASS__ . ": Testing {$uri} against {$test_path}...");
         if (!isset(self::$paths[$test_path])) {
             $test_path = strstr(substr($test_path, 1), '/') ? substr($test_path, 0, strrpos($test_path, '/')) : '/';
         } else {
             return self::$paths[$test_path]['handler'];
         }
         if ($test_path === '/') {
             $test_path = '';
         }
     }
     Log::debug(__CLASS__ . ": No handler found for uri {$uri}");
     return false;
 }