Fix some issues with CreditConfigElement.php, a=chris

<?php
/**
 * SeekQuarry/Yioop --
 * Open Source Pure PHP Search Engine, Crawler, and Indexer
 *
 * Copyright (C) 2009 - 2015  Chris Pollett chris@pollett.org
 *
 * LICENSE:
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * END LICENSE
 *
 * @author Chris Pollett chris@pollett.org
 * @license http://www.gnu.org/licenses/ GPL3
 * @link http://www.seekquarry.com/
 * @copyright 2009 - 2015
 * @filesource
 */
namespace seekquarry\yioop;

use seekquarry\yioop\configs as C;

class Routes
{
    public static function getRoutes()
    {
        $routes = [
            "download" => "routeDownload",
            "adscript" => "routeStore"
        ];
        return $routes;
    }
}

function routeDownload($route_args)
{
    $handled = true;
    if (!empty($route_args[1]) && $route_args[1] == floatval($route_args[1])) {
        $_REQUEST['c'] = "main";
        $_REQUEST['a'] = "download";
        $_REQUEST['version'] = $route_args[1];
        $_REQUEST['route']['c'] = true;
        $_REQUEST['route']['a'] = true;
        $_REQUEST['route']['version'] = true;
    } else {
        $handled = false;
    }
    return $handled;
}

function routeStore($route_args)
{
    $handled = true;
    $_REQUEST['c'] = "main";
    $_REQUEST['a'] = "store";

    return $handled;
}