Update docs with info about SSL hostname validation
Update docs with info about SSL hostname validation

mozillazg/redis-py-doc,redis/redis-py,redis/redis-py,andymccurdy/redis-py,alisaifee/redis-py,mozillazg/redis-py-doc,andymccurdy/redis-py,andymccurdy/redis-py,alisaifee/redis-py