v0.6 - 2021-01-24
	- changed the man page format from nroff to a txt2man based
	- correct the handling of multi-monitor setup. Add the
	  --monitor-nr option

v0.5 - 2021-01-19
	- set a the default value '1' for the doubleckick-threshold
	  to avoid to compute invalid calibration matrix
	- switch from signal based event loop to a (more sane)
	  real event loop based to select(2) syscall.
	- small code cleanup

v0.4 - 2021-01-18
	- update makefile to handle the case where the .git directory
	  doesn't exist

v0.3 - 2021-01-17
	- update documentation
	- update copyright headers

v0.2 - 2020-03-30
	- update documentation

v0.1 - 2020-03-29
	- first release
