function add($value, $pos = false)
{
if (!$pos) {
array_push(self::$sections, $value);
} else {
$new = array();
foreach (self::$sections as $k => $v) {
$new[] = $v;
if ($k == $pos) {
$new[] = $value;
}
}
self::$sections = array();
self::$sections = $new;
}
}