$_mod
$_module_name
$_c1dat
$_d1dat
$_excludes
__construct( $module_name)
generate()
get_salt()
is_excluded( $filename)
get_checksum_key( $filename)
get_checksum_value( $filename)
get_checksum_signature( $key, $val)
walk_directory( $dir, $callback)
generate_c1dat()
generate_d1dat( $md5)