Added TODO for API classes needing investigation

src/api/java/appeng/api/movable/IMovableHandler.java

@@ -55,7 +55,7 @@ public interface IMovableHandler
 	 * 	@code
 	 * 	Chunk c = world.getChunkFromBlockCoords( x, z );
 	 * 	c.setChunkBlockTileEntity( x & 0xF, y + y, z & 0xF, tile );
-	 * 
+	 *
 	 * 	if( c.isChunkLoaded )
 	 * 	{
 	 * 		world.addTileEntity( tile );