4.0.0
================
- Drop support for celery 3.0
- Drop support for Pyramid 2.7
- Error out if ini is misconfigured
- Add support for pyramid v2
- Add support for celery v5
- Drop support for old CELERY config options,
  use only the lower case versions.
- Added support for `options` in celerybeat.
- Added support for `broker_transport_options`

3.0.0
================

- Support celery 4.0
- Properly handle CELERY_ALWAYS_EAGER
- Handle tuple in ADMINS
