Load Scramble Seed key from Config

Remember all used Scramble seeds to unscramble potions

src/com/dre/brewery/api/BreweryApi.java

@@ -10,6 +10,7 @@ import org.bukkit.entity.Player;
 import org.bukkit.inventory.Inventory;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.ItemMeta;
+import org.jetbrains.annotations.Nullable;
 
 public class BreweryApi {
 
@@ -46,6 +47,7 @@ public class BreweryApi {
 	 * Checks if item is actually a Brew
 	 * Returns null if item is not a Brew
 	 */
+	@Nullable
 	public static Brew getBrew(ItemStack item) {
 		return Brew.get(item);
 	}
@@ -56,6 +58,7 @@ public class BreweryApi {
 	 * Checks if meta has a Brew saved
 	 * Returns null if meta is not a Brew
 	 */
+	@Nullable
 	public static Brew getBrew(ItemMeta meta) {
 		return Brew.get(meta);
 	}
@@ -68,6 +71,7 @@ public class BreweryApi {
 	 * May be any Wood, Fence, Sign that is part of a Barrel
 	 * Returns null if block is not part of a Barrel
 	 */
+	@Nullable
 	public static Barrel getBarrel(Block block) {
 		return Barrel.get(block);
 	}
@@ -77,6 +81,7 @@ public class BreweryApi {
 	 * May be any Wood, Fence or Sign that is part of a Barrel
 	 * Returns null if block is not part of a Barrel
 	 */
+	@Nullable
 	public static Inventory getBarrelInventory(Block block) {
 		Barrel barrel = Barrel.get(block);
 		if (barrel != null) {
@@ -115,6 +120,7 @@ public class BreweryApi {
 	 * Get a BCauldron from a Block
 	 * Returns null if block is not a BCauldron
 	 */
+	@Nullable
 	public static BCauldron getCauldron(Block block) {
 		return BCauldron.get(block);
 	}
@@ -136,6 +142,7 @@ public class BreweryApi {
 	 * The name is the middle one of the three if three are set in the config
 	 * Returns null if recipe with that name does not exist
 	 */
+	@Nullable
 	public static BRecipe getRecipe(String name) {
 		return BRecipe.get(name);
 	}

src/com/dre/brewery/api/events/brew/BrewEvent.java

@@ -3,20 +3,23 @@ package com.dre.brewery.api.events.brew;
 import com.dre.brewery.Brew;
 import org.bukkit.event.Event;
 import org.bukkit.inventory.meta.ItemMeta;
+import org.jetbrains.annotations.NotNull;
 
 public abstract class BrewEvent extends Event {
 	protected final Brew brew;
 	protected final ItemMeta meta;
 
-	public BrewEvent(Brew brew, ItemMeta meta) {
+	public BrewEvent(@NotNull Brew brew, @NotNull ItemMeta meta) {
 		this.brew = brew;
 		this.meta = meta;
 	}
 
+	@NotNull
 	public Brew getBrew() {
 		return brew;
 	}
 
+	@NotNull
 	public ItemMeta getItemMeta() {
 		return meta;
 	}

src/com/dre/brewery/api/events/brew/BrewModifyEvent.java

@@ -6,6 +6,7 @@ import org.bukkit.event.Cancellable;
 import org.bukkit.event.HandlerList;
 import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.inventory.meta.PotionMeta;
+import org.jetbrains.annotations.NotNull;
 
 /*
  * A Brew has been created or modified
@@ -19,15 +20,17 @@ public class BrewModifyEvent extends BrewEvent implements Cancellable {
 	private boolean cancelled;
 
 
-	public BrewModifyEvent(Brew brew, ItemMeta meta, Type type) {
+	public BrewModifyEvent(@NotNull Brew brew, @NotNull ItemMeta meta, @NotNull Type type) {
 		super(brew, meta);
 		this.type = type;
 	}
 
+	@NotNull
 	public Type getType() {
 		return type;
 	}
 
+	@NotNull
 	public BrewLore getLore() {
 		return new BrewLore(getBrew(), (PotionMeta) getItemMeta());
 	}
@@ -46,6 +49,7 @@ public class BrewModifyEvent extends BrewEvent implements Cancellable {
 		this.cancelled = cancelled;
 	}
 
+	@NotNull
 	@Override
 	public HandlerList getHandlers() {
 		return handlers;