Adding some documentation for Unit class
Adding some documentation for Unit class

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