Specify which language you want the templates translate to with the
`--language` option and any choice language available. By default
English is used. When class_list.xml is translated to different language
than English this option will be useful to make the template language
match.
This script works different compared to the other, for instance, it
requires Python 3.x to run. It also have more sophisticate flags to
run. And finally this file conforms to PEP8.
This script is not finished yet, though.