addition of PlayerGameModeChangeEvent

src/main/java/org/bukkit/event/Event.java

@@ -301,6 +301,13 @@ public abstract class Event implements Serializable {
          */
         PLAYER_FISH(Category.PLAYER),
 
+        /**
+         * Called when the game mode of a player is changed
+         * 
+         * @see org.bukkit.event.player.PlayerGameModeChangeEvent
+         */
+        PLAYER_GAME_MODE_CHANGE(Category.PLAYER),
+
         /**
          * BLOCK EVENTS
          */