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java.lang.ArrayIndexOutOfBoundsException: 16	at net.minecraft.block.Block.isToolEffective(Block.java:2226)	at net.minecraftforge.common.ForgeHooks.isToolEffective(ForgeHooks.java:146)	at net.minecraft.item.ItemTool.getDigSpeed(ItemTool.java:128)	at net.minecraft.entity.player.EntityPlayer.getBreakSpeed(EntityPlayer.java:811)	at codechicken.microblock.BlockMicroMaterial.getStrength(BlockMicroMaterial.scala:98)	at codechicken.microblock.Microblock.getStrength(Microblock.scala:44)	at codechicken.multipart.BlockMultipart.func_149737_a(BlockMultipart.scala:205)	at net.minecraft.client.multiplayer.PlayerControllerMP.func_78743_b(PlayerControllerMP.java:177)	at net.minecraft.client.Minecraft.func_147116_af(Minecraft.java:1409)	at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1948)	at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:973)	at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:898)	at net.minecraft.client.main.Main.main(SourceFile:148)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)	at java.lang.reflect.Method.invoke(Unknown Source)	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)