Log Message:
py-logbook: updated to 1.4.0

Version 1.4.0
- Added support for checking if trace logs have been emitted in TestHandler

Version 1.3.0
- Added support for controlling rotating file names -- Logbook now allows users \ 
to customize the formatting of rollover/rotating files

Version 1.2.0
- Added support for compressed log files, supporting both gzip and brotli \ 
compression methods
- Fixed CPU usage for queuing handlers