Fixing _base() returning '\' for root on Windows.
Fixing _base() returning '\' for root on Windows.

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