removed pkg_resources dependency and added unit tests for the fix#64

sunnywu merged 2 commits intomainIABTechLab/uid2-client-python:mainfrom

syw-UID2-6085-remove-pkg_resources-dependencyIABTechLab/uid2-client-python:syw-UID2-6085-remove-pkg_resources-dependencyCopy head branch name to clipboard