v0.2.0

Major refactor and dependency upgrades.

What's Changed

• Major Refactor by @harrykeightley in #14
  Full Changelog: v0.1.8...v0.2.0

Breaking changes

• elpis.trainer.job.TrainingJob has been removed. This previously contained application logic from elpis_next, forcing you to give a name to your model and dataset, which made no sense to people who might use this as a standalone library.
• Replacing TrainingJob is elpis.models.job.Job, which enables much more flexibility in specifying model, dataset, and training arguments for your job. This Job dataclass is used to store all the training options for the training flow.