0.000003    2019-01-15
            * Add a self-contained test
            * Expose some more functions
            * Configuration is now stored as JSON
            * Replace raw fprintf with a basic macro
            * Add option to name configuration file
            * Allow changing the signal used to trigger checking
            * Allow enabling / disabling the probing code
            * Allow installing / removing the probing code
            * Move config parsing to Perl, cleanup code
            * Add Ben Tyler as a bona fide author
            * Fire a Perl callback on probe trigger
            * Fix compilation in linux with older C compiler
            * Fix coredump reported by btyler
            * Add some pod
            * Fix README and location of git repo
            * Complete initial implementation

0.000002    2019-01-15
            * Not sure, never released.

0.000001    2018-12-18
            * Initial version.