function loadInfo()
    function saveInfo()
    public function getModelByBrands($brand)
    public function getBrands()
    public function addNewSwitch($brand, $model, $name, $ip, $access, $username, $password)
    public function disableSwitch($name)
    public function enableSwitch($name)
    public function getSwitchInfo($name)
    public function getSwitchHistory($name, $i)
    public function modifySwitchInfo($oldName, $brand, $model, $name, $ip, $access, $username, $password)
    public function renameFolders($oldName, $newName)
    public function saveToHistory($name, $oldInfo)
    public function saveToLogs($info)