Merge branch 'stable' into next-minor

src/pocketmine/inventory/BaseInventory.php

@@ -47,7 +47,7 @@ abstract class BaseInventory implements Inventory{
 	/** @var string */
 	protected $title;
 	/** @var \SplFixedArray|Item[] */
-	protected $slots = [];
+	protected $slots;
 	/** @var Player[] */
 	protected $viewers = [];
 	/** @var InventoryEventProcessor */

src/pocketmine/inventory/CraftingManager.php

@@ -43,7 +43,7 @@ class CraftingManager{
 	/** @var FurnaceRecipe[] */
 	protected $furnaceRecipes = [];
 
-	/** @var BatchPacket */
+	/** @var BatchPacket|null */
 	private $craftingDataCache;
 
 	public function __construct(){