v2.1.2

[2.1.2] Adding Novita!

Added

• Added Novita Generator (https://www.novita.ai/)
• Added basic tests for Document class

Fixed

• spaCy Language Issues (#359 (comment)) (#352)

[2.1.1] More Bugs!

Added

• Dynamic model name retrieval for OpenAI Generator based on OpenAI URL and API Key (#123) (#362)