Replicate

What's Changed
* Add training by bfirsh in https://github.com/replicate/replicate-python/pull/82


**Full Changelog**: https://github.com/replicate/replicate-python/compare/0.6.1...0.7.0

What's Changed
* Add support for new webhooks by bfirsh in https://github.com/replicate/replicate-python/pull/80


**Full Changelog**: https://github.com/replicate/replicate-python/compare/0.6.0...0.6.1

Add `replicate.run()`.

Adds timing to `Prediction` objects.