Added interface for player.saveData and player.loadData.

src/main/java/org/bukkit/entity/Player.java

@@ -98,6 +98,18 @@ public interface Player extends HumanEntity, CommandSender {
      */
     public void setSneaking(boolean sneak);
 
+    /**
+     * Saves the players current location, health, inventory, motion, and other information into the username.dat file, in the world/player folder
+     */
+    public void saveData();
+
+    /**
+     * Loads the players current location, health, inventory, motion, and other information from the username.dat file, in the world/player folder
+     *
+     * Note: This will overwrite the players current inventory, health, motion, etc, with the state from the saved dat file.
+     */
+    public void loadData();
+
     /**
      * Forces an update of the player's entire inventory.
      *