v1.3:
* Add -h option to print usage information
* Prevent failing silently when temperature are out of range
* Fix order of flags and add CPPFLAGS in Makefile
* Add license documentation

v1.2:
* Add changelog
* Fix compiler warnings
* Sign releases

v1.1:
* Add support for using flags from the enviornment in the Makefile

v1:
* Initial setup
* Add Makefile
* Add manual page
* Add README
