first work
modif
modif
Add execution right for setup.py
Update gitignore.
Code style improvement.
Typo.
Add __str__ test.
Add scrutinizer buttons.
Add NER tests.
Add test for two question words.
Add tests for ignore function.
Add tests for merge function.
modif
modif
improvements
add missing files
fix test_hierarchy.py
add error message if no qw
correct test_hierarchy.py