Log Message:
Update to 0.34. From the changelog:

- JSON formatter tests now Win32 compatible
- JSON formatter uses filename/line based IDs rather than memory-location
    ones, thanks Tomas Pokorny
- Minor App::pherkin refactor to make harness an attribute, thanks Tomas
    Pokorny
- $ENV{ANSI_COLOR_DISABLED} checked for definedness, not truth in deciding
    whether to colourize output in some situations; thanks Tomas Pokorny
- Minor typo fixes, thanks 'poum', 'Chylli'