diff --git a/src/pocketmine/PocketMine.php b/src/pocketmine/PocketMine.php
index dd99a3fa1..d0c0d99c2 100644
--- a/src/pocketmine/PocketMine.php
+++ b/src/pocketmine/PocketMine.php
@@ -147,12 +147,18 @@ namespace pocketmine {
 		define('pocketmine\PATH', dirname(__FILE__, 3) . DIRECTORY_SEPARATOR);
 	}
 
-	define('pocketmine\COMPOSER_AUTOLOADER_PATH', \pocketmine\PATH . 'vendor/autoload.php');
+	$opts = getopt("", ["bootstrap:"]);
+	if(isset($opts["bootstrap"])){
+		$bootstrap = $opts["bootstrap"];
+	}else{
+		$bootstrap = \pocketmine\PATH . 'vendor/autoload.php';
+	}
+	define('pocketmine\COMPOSER_AUTOLOADER_PATH', realpath($bootstrap));
 
-	if(is_file(\pocketmine\COMPOSER_AUTOLOADER_PATH)){
+	if(\pocketmine\COMPOSER_AUTOLOADER_PATH !== false and is_file(\pocketmine\COMPOSER_AUTOLOADER_PATH)){
 		require_once(\pocketmine\COMPOSER_AUTOLOADER_PATH);
 	}else{
-		critical_error("Composer autoloader not found.");
+		critical_error("Composer autoloader not found at " . $bootstrap);
 		critical_error("Please install/update Composer dependencies or use provided builds.");
 		exit(1);
 	}
diff --git a/src/pocketmine/block/Cake.php b/src/pocketmine/block/Cake.php
index 970a073ef..07de3fc46 100644
--- a/src/pocketmine/block/Cake.php
+++ b/src/pocketmine/block/Cake.php
@@ -36,6 +36,8 @@ class Cake extends Transparent implements FoodSource{
 
 	protected $id = self::CAKE_BLOCK;
 
+	protected $itemId = Item::CAKE;
+
 	public function __construct(int $meta = 0){
 		$this->setDamage($meta);
 	}
diff --git a/src/pocketmine/block/Farmland.php b/src/pocketmine/block/Farmland.php
index f1895e947..0b435b114 100644
--- a/src/pocketmine/block/Farmland.php
+++ b/src/pocketmine/block/Farmland.php
@@ -103,4 +103,8 @@ class Farmland extends Transparent{
 	public function isAffectedBySilkTouch() : bool{
 		return false;
 	}
+
+	public function getPickedItem() : Item{
+		return ItemFactory::get(Item::DIRT);
+	}
 }
diff --git a/src/pocketmine/block/RedstoneOre.php b/src/pocketmine/block/RedstoneOre.php
index a16e48cd4..b0900799e 100644
--- a/src/pocketmine/block/RedstoneOre.php
+++ b/src/pocketmine/block/RedstoneOre.php
@@ -50,7 +50,8 @@ class RedstoneOre extends Solid{
 	}
 
 	public function onActivate(Item $item, Player $player = null) : bool{
-		return $this->getLevel()->setBlock($this, BlockFactory::get(Block::GLOWING_REDSTONE_ORE, $this->meta));
+		$this->getLevel()->setBlock($this, BlockFactory::get(Block::GLOWING_REDSTONE_ORE, $this->meta));
+		return false; //this shouldn't prevent block placement
 	}
 
 	public function onNearbyBlockChange() : void{
diff --git a/src/pocketmine/block/Skull.php b/src/pocketmine/block/Skull.php
index 3f4dc71c2..bdfaef4a1 100644
--- a/src/pocketmine/block/Skull.php
+++ b/src/pocketmine/block/Skull.php
@@ -68,18 +68,20 @@ class Skull extends Flowable{
 		return false;
 	}
 
-	public function getDropsForCompatibleTool(Item $item) : array{
+	private function getItem() : Item{
 		$tile = $this->level->getTile($this);
-		if($tile instanceof TileSkull){
-			return [
-				ItemFactory::get(Item::SKULL, $tile->getType())
-			];
-		}
+		return ItemFactory::get(Item::SKULL, $tile instanceof TileSkull ? $tile->getType() : 0);
+	}
 
-		return [];
+	public function getDropsForCompatibleTool(Item $item) : array{
+		return [$this->getItem()];
 	}
 
 	public function isAffectedBySilkTouch() : bool{
 		return false;
 	}
+
+	public function getPickedItem() : Item{
+		return $this->getItem();
+	}
 }