shorten python case names, handle if payload has an 'id' field. #51

Jsyro wants to merge 2 commits intosicpa-dlab:mainsicpa-dlab/peer-did-python:mainfrom

Jsyro:fix/pythonic-name-compatibilityJsyro/peer-did-python:fix/pythonic-name-compatibilityCopy head branch name to clipboard