More constructor work.

src/engine/objects/ItemTemplate.java

@@ -107,7 +107,8 @@ public class ItemTemplate {
 
         Object skills_used = jsonObject.get("item_skill_used");
 
-        if (skills_used != null)
+        if (skills_used instanceof JSONArray)
-            item_skill_used.add(Enum.CharacterSkills.Axe);
+            for (Object o : (JSONArray) skills_used)
+                item_skill_used.add(Enum.CharacterSkills.valueOf((String) o));
     }
 }