Fixing overwritten property that prevented custom classes from being used with MongoDB adapter.
Fixing overwritten property that prevented custom classes from being used with MongoDB adapter.

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