Implemented version change and build events for linked items

java/noppes/npcs/api/event/IItemEvent.java

@@ -82,4 +82,8 @@ public interface IItemEvent extends ICustomNPCsEvent {
 
         int getDuration();
     }
+
+    // onBreakEvent if Durability Expires or Consumed
+
+    // onRepairEvent
 }

java/noppes/npcs/api/event/ILinkedItemEvent.java

@@ -3,8 +3,13 @@ package noppes.npcs.api.event;
 public interface ILinkedItemEvent extends IItemEvent {
 
     // Version Change Event
+    interface VersionChangeEvent extends IItemEvent {
 
-    // onBreakEvent if Durability Expires or Consumed
+        int getVersion();
 
-    // onRepairEvent
+        int getPreviousVersion();
+    }
+
+    interface BuildEvent extends IItemEvent {
+    }
 }

java/noppes/npcs/api/handler/data/ILinkedItem.java

@@ -1,7 +1,11 @@
 package noppes.npcs.api.handler.data;
 
+import noppes.npcs.api.item.IItemStack;
+
 public interface ILinkedItem {
 
+    IItemStack createStack();
+
     int getId();
 
     void setId(int id);