private function _getVersionFile()
{
$file = new RemoteFileReader($this->_versionURL);
// Save any error
$error = $file->getError();
$this->_errorNumber = $error['number'];
$this->_errorMessage = $error['message'];
if ($this->_errorNumber == 0) {
$this->_getJsonArray($file->getContent());
}
}
