v0.1.2: refactor and add MQAG features
Refactor and Add MQAG features
- refactor code into SelfCheck (both SelfCheckMQAG and SelfCheckBERTScore) and MQAG
- add MQAG as many functions of MQAG are used by SelfCheckMQAG
- fix max_length of T5 model (there is no length limit)
- add version.py