Minor refactorings and formatting fixes for the `Command` class.
Minor refactorings and formatting fixes for the `Command` class.

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