Adding `\data\collection\Document::stats()` method for accessing ancillary statistics about query results.
Adding `\data\collection\Document::stats()` method for accessing ancillary statistics about query results.

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