SetAllActorsInvulnerable

//By Rhayziin (http://forum.sa-mp.com/showthread.php?t=573829)

stock SetAllActorsInvulnerable(Invulnerable=true)
{
    for(new i = 0; i <= GetActorPoolSize(); ++i)
    {
        if(IsValidActor(i)) SetActorInvulnerable(i, Invulnerable);
    }
    return 1;
}