return a ZERO=SUCCESS exit result when requesting the jison **version** via CLI `-V` parameter: that way we can use this option to quickly check if the given jison executable is viable, i.e. doesn't immediately crash on load due to require/load failures.
return a ZERO=SUCCESS exit result when requesting the jison **version** via CLI `-V` parameter: that way we can use this option to quickly check if the given jison executable is viable, i.e. doesn't immediately crash on load due to require/load failures.

GerHobbelt/jison,GerHobbelt/jison,GerHobbelt/jison,GerHobbelt/jison