Add config updater.

src/main/java/com/drtshock/playervaults/Main.java

@@ -71,7 +71,7 @@ public class Main extends JavaPlugin {
 			dropOnDeath = true;
 			inventoriesToDrop = getConfig().getInt("drop-on-death.inventories");
 		}
-		
+
 		new File(directory + File.separator + "backups").mkdirs();
 		config = getConfig();
 
@@ -128,6 +128,37 @@ public class Main extends JavaPlugin {
 		}
 	}
 
+	public void updateConfig() {
+		if(getConfig().get("check-update") == null) {
+			getConfig().set("check-update", true);
+		}
+
+		if(getConfig().get("economy.enabled") == null) {
+			getConfig().set("economy.enabled", false);
+		}
+
+		if(getConfig().get("economy.cost-to-create") == null) {
+			getConfig().set("economy.cost-to-create", 100);
+		}
+
+		if(getConfig().get("economy.cost-to-open") == null) {
+			getConfig().set("economy.cost-to-create", 10);
+		}
+		if(getConfig().get("economy.refund-on-delete") == null) {
+			getConfig().set("economy.refund-on-delete", 50);
+		}
+
+		if(getConfig().get("drop-on-death.enabled") == null) {
+			getConfig().set("drop-on-death.enabled", false);
+		}
+
+		if(getConfig().get("drop-on-death.inventories") == null) {
+			getConfig().set("drop-on-death.inventories", 1);
+		}
+
+		saveConfig();
+	}
+
 	public YamlConfiguration loadLang() {
 		File lang = new File(getDataFolder(), "lang.yml");
 		if(!lang.exists()) {
@@ -158,7 +189,7 @@ public class Main extends JavaPlugin {
 	public YamlConfiguration getLang() {
 		return lang;
 	}
-	
+
 	public File getLangFile() {
 		return langFile;
 	}

src/main/java/com/drtshock/playervaults/util/BackwardsCompatibility.java

@@ -83,6 +83,7 @@ public class BackwardsCompatibility {
 		return inventory;
 	}
 
+	@SuppressWarnings("unused")
 	private static CraftItemStack getCraftVersion(org.bukkit.inventory.ItemStack stack) {
 		if ((stack instanceof CraftItemStack))
 			return (CraftItemStack) stack;