Added various utility methods to make chunk handling easier. Thanks Meaglin!

src/main/java/org/bukkit/World.java

@@ -171,6 +171,16 @@ public interface World {
      */
     public boolean loadChunk(int x, int z, boolean generate);
 
+    /**
+     * Safely unloads and saves the {@link Chunk} at the specified coordinates
+     *
+     * This method is analogous to {@link #unloadChunk(int, int, boolean, boolean)} where safe and saveis true
+     *
+     * @param chunk the chunk to unload
+     * @return true if the chunk has unloaded successfully, otherwise false
+     */
+    public boolean unloadChunk(Chunk chunk);
+
     /**
      * Safely unloads and saves the {@link Chunk} at the specified coordinates
      *