add missing log file
refactoring of aux file methods
move logger classes in separate module
better docstring
better flow control
reorganise in logical units inside the class
one more classmethod
more reorganization
refactoring in several classes
split in several modules
fix Runner.paths tests
fix one output test
fix trailing dot test
fix open pdf
better debug messages
move copyright and docstring to __init__
move runner actions in small methods
more refactoring into smaller methods
typesetter can be instantiated separately
typo in debug sentence