Added block break tool type, fixed falling sand, fixed duplicated jungle leaves

src/pocketmine/block/Lapis.php

@@ -22,6 +22,7 @@
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\item\Tool;
 
 class Lapis extends Solid{
 
@@ -35,6 +36,10 @@ class Lapis extends Solid{
 		return "Lapis Lazuli Block";
 	}
 
+	public function getToolType(){
+		return Tool::TYPE_PICKAXE;
+	}
+
 	public function getHardness(){
 		return 3;
 	}