Start using logging module
Transition printcore to use logging
Improve printcore logging
More improvements to printcore logging
Use logging in pronsole
Workaround flake8 warning
Use logging in pronterface
Mark last_file_path as unicode
Cleanup
Prevent flooding of printer serial buffer with M105
Update pronterface.pot
Update French translation
Update French pronterface.mo
Set version in setup.py
Prevent crash when port file does not exist
Move format_time and format_duration to printrun_utils
Move startcb and endcb to pronsole
Factorize command running
Log errors using errorcb in printcore
Use printcore errorcb in pronsole