added touch to StrictRedis
added touch to StrictRedis

redis/redis-py,mozillazg/redis-py-doc,andymccurdy/redis-py,5977862/redis-py,alisaifee/redis-py,5977862/redis-py,alisaifee/redis-py,mozillazg/redis-py-doc,redis/redis-py,andymccurdy/redis-py,andymccurdy/redis-py,5977862/redis-py