Added /op, /deop, /kick, OfflinePlayer, moved player list to Server instead of static Player

src/pocketmine/command/defaults/DeopCommand.php

@@ -0,0 +1,63 @@
+<?php
+
+/*
+ *
+ *  ____            _        _   __  __ _                  __  __ ____
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ *
+ *
+*/
+
+namespace pocketmine\command\defaults;
+
+use pocketmine\command\Command;
+use pocketmine\command\CommandSender;
+use pocketmine\Player;
+use pocketmine\Server;
+use pocketmine\utils\TextFormat;
+
+class DeopCommand extends VanillaCommand{
+
+	public function __construct($name){
+		parent::__construct(
+			$name,
+			"Takes the specified player's operator status",
+			"/deop <player>"
+		);
+		$this->setPermission("pocketmine.command.op.take");
+	}
+
+	public function execute(CommandSender $sender, $currentAlias, array $args){
+		if(!$this->testPermission($sender)){
+			return true;
+		}
+
+		if(count($args) === 0){
+			$sender->sendMessage(TextFormat::RED . "Usage: " . $this->usageMessage);
+
+			return false;
+		}
+
+		$name = array_shift($args);
+
+		$player = Server::getInstance()->getOfflinePlayer($name);
+		$player->setOp(false);
+		if($player instanceof Player){
+			$player->sendMessage(TextFormat::YELLOW . "You are no longer op!");
+		}
+		Command::broadcastCommandMessage($sender, "De-opped " . $player->getName());
+
+		return true;
+	}
+}