Method must have a first parameter, usually called 'self'

[git0some]

Method must have a first parameter, usually called 'self'

The methods create_header, create_list and create_unordered_list are defined without (self), because otherwise they could not be called from within the dict "formatters".

The method get_list ist outside the class, because otherwise it could not be called from create_list and create_unordered_list.

This should be over-worked.