Fixing bug in `Command::in()` when both `default` and `choices` options are set.
Fixing bug in `Command::in()` when both `default` and `choices` options are set.

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