Motorhead

What's Changed

* Add aggregation utilities, tests, and docs by volfpeter in https://github.com/volfpeter/motorhead/pull/20


**Full Changelog**: https://github.com/volfpeter/motorhead/compare/v0.2501.1...v0.2501.2

What's Changed

* Add `Regex` operator by volfpeter in https://github.com/volfpeter/motorhead/pull/18

**Full Changelog**: https://github.com/volfpeter/motorhead/compare/v0.2411.2...v0.2501.1

What's Changed

* Added missing `__slots__` to `Service` by volfpeter in https://github.com/volfpeter/motorhead/pull/16

**Full Changelog**: https://github.com/volfpeter/motorhead/compare/v0.2411.1...v0.2411.2

What's Changed

* Support non-`ObjectId` document `_id`s by volfpeter in https://github.com/volfpeter/motorhead/pull/15

**Full Changelog**: https://github.com/volfpeter/motorhead/compare/v0.2411.0...v0.2411.1

What's Changed

* Add a `ServiceConfig` dict by volfpeter in https://github.com/volfpeter/motorhead/pull/13

*Important*: the default behavior of excluding unset fields during creation has changed. See 12. If you need the old behavior, you can configure your services in `Service.service_config`.

**Full Changelog**: https://github.com/volfpeter/motorhead/compare/v0.2408.0...v0.2411.0

What's Changed

* Fix `Service.get_objectid_fields()` by volfpeter in https://github.com/volfpeter/motorhead/pull/11

**Full Changelog**: https://github.com/volfpeter/motorhead/compare/0.2403.0...v0.2408.0