public static void copyWorld(File source, File target) {
        /*try {
            ArrayList<String> ignore = new ArrayList<String>(Arrays.asList("uid.dat", "session.dat"));
            if (!ignore.contains(source.getName())) {
                if (source.isDirectory()) {
                    Bukkit.unloadWorld(source.getName(), false);
                    if (!target.exists())
                        target.mkdirs();
                    String files[] = source.list();
                    for (String file : files) {
                        File srcFile = new File(source, file);
                        File destFile = new File(target, file);
                        copyWorld(srcFile, destFile);
                    }
                } else {
                    InputStream in = new FileInputStream(source);
                    if (!target.exists())
                        target.createNewFile();
                    OutputStream out = new FileOutputStream(target);
                    byte[] buffer = new byte[1024];
                    int length;
                    while ((length = in.read(buffer)) > 0)
                        out.write(buffer, 0, length);
                    in.close();
                    out.close();
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
        }*/
        // Unload the source world world
        System.out.println(source.canWrite());
        System.out.println(source.canWrite());
        Bukkit.unloadWorld(source.getName(), true);
        FileUtil.copy(source, target);
    }