Adding read/write json methods to entity#924

aaronjeline merged 5 commits intomaincedar-policy/cedar:mainfrom

807-wish-to-have-more-json-parsing-support-for-entities-or-entity-data-typecedar-policy/cedar:807-wish-to-have-more-json-parsing-support-for-entities-or-entity-data-typeCopy head branch name to clipboard