v0.2.4: Fix several bugs

• Issue with requirements file on Pypi
• Issue with Spacy dependency through Pypi (Downloading in code)
• Issue with logs
• Fixing tile in README
• Typos in README

v0.2.0: Better efficiency

• batch wrt multiple examples
• multi ref
• cache
• model ported to HF

v0.1.1: First release

clean unit test