/**
  * @param string|Player $player
  * @return false|Session
  */
 public function getSession($player)
 {
     if (!$player instanceof Player) {
         $player = $this->getMain()->getServer()->getPlayer($player);
     }
     if (!$player instanceof Player) {
         return false;
     }
     return isset($this->sessions[$i = Session::offset($player)]) ? $this->sessions[$i] : false;
 }