Unsafe JSONObject fix

JSONObject extends HashMap
new methods addUpdateListener and update with PropertyChangeListener

Author: leonardofel

src/main/java/org/json/JSONArray.java

@@ -1023,6 +1023,10 @@ public JSONArray put(Map<?, ?> value) {
         return this.put(new JSONObject(value));
     }
 
+    public JSONArray put(JSONObject value) {
+        return this.put((Object) value);
+    }
+
     /**
      * Append an object value. This increases the array's length by one.
      *
@@ -1161,6 +1165,11 @@ public JSONArray put(int index, Map<?, ?> value) throws JSONException {
         return this;
     }
 
+    public JSONArray put(int index, JSONObject value) throws JSONException {
+        this.put(index, (Object) value);
+        return this;
+    }
+
     /**
      * Put or replace an object value in the JSONArray. If the index is greater
      * than the length of the JSONArray, then null elements will be added as