* Use isort with Black profile
* isort all the things
* Fix import cycles as a result of import sorting
* Add DOCBIN_ALL_ATTRS type definition
* Add isort to requirements
* Remove isort from build dependencies check
* Typo
* Include Macedonian language
* Fix indentation at char_classes.py
* Fix indentation at char_classes.py
* Add Macedonian tests, update lex_attrs and char_classes
* Import unicode literals for python 2