Adding checks to Redis cache adapter for cases where no expiry is set.
Adding checks to Redis cache adapter for cases where no expiry is set.

davidpersson/lithium,muyehub/lithium,mehlah/lithium,SensCritique/lithium,jails/lithium,qoqa/lithium,UnionOfRAD/lithium,whowgames/lithium,muyehub/lithium,datachand/lithium,pixelcog/lithium,davidpersson/lithium,datachand/lithium,qoqa/lithium,wbeater/lithium,whowgames/lithium,wbeater/lithium,pixelcog/lithium,graphis/lithium,m4rcsch/lithium-core-library,SensCritique/lithium,m4rcsch/lithium-core-library,graphis/lithium,jails/lithium,UnionOfRAD/lithium,UnionOfRAD/framework,m4rcsch/li3_framework,mehlah/lithium