Small product refactoring (in sync with @thedrow) + tests + general bug fixes
Fixed revoking tasks by stamped headers. Small product refactoring (in sync with @thedrow) + tests + general bug fixes
Thanks to Rune Halvorsen <runeh@opera.com> for the name.
Thanks to Anton Tsigularov <antont@opera.com> for the previous name (crunchy)
    that we had to abandon because of an existing project with that name.
Thanks to Armin Ronacher for the Sphinx theme.
Thanks to Brian K. Jones for bunny.py (https://github.com/bkjones/bunny), the
    tool that inspired 'celery amqp'.
Thanks to Barry Pederson for amqplib (the project py-amqp forked).
Thanks to Ty Wilkins for the Celery stalk logo (2016).

Thanks to Rune Halvorsen <runeh@opera.com> for the name.
Thanks to Anton Tsigularov <antont@opera.com> for the previous name (crunchy)
    that we had to abandon because of an existing project with that name.
Thanks to Armin Ronacher for the Sphinx theme.
Thanks to Brian K. Jones for bunny.py (https://github.com/bkjones/bunny), the
    tool that inspired 'celery amqp'.
Thanks to Barry Pederson for amqplib (the project py-amqp forked).
Thanks to Ty Wilkins for the Celery stalk logo (2016).
