Rectangle: refactored to pass standard rectangle tests
Rectangle: refactored to pass standard rectangle tests

hwthomas/xwt,TheBrainTech/xwt,sevoku/xwt,iainx/xwt,mminns/xwt,lytico/xwt,directhex/xwt,mminns/xwt,hamekoz/xwt,antmicro/xwt,akrisiun/xwt,steffenWi/xwt,residuum/xwt,mono/xwt,cra0zy/xwt