if ( msgFolder == null || !msgFolder.isDirectory( ) ) return null;  return new BundleHelper( msgFolder, baseName );
assert module != null; return new BundleHelper( module, baseName );
	public static BundleHelper getHelper( File msgFolder, String baseName )	{		if ( msgFolder == null || !msgFolder.isDirectory( ) )			return null;		return new BundleHelper( msgFolder, baseName );	}