Made CachedProperty even faster by turning it into a non-data descriptor.
Made CachedProperty even faster by turning it into a non-data descriptor.

ListFranz/bottle,defnull/bottle,wangjun/bottle,adampresley/bottle,AWFU/bottle,kevintaw/bottle,samstav/bottle,kevintaw/bottle,gaotongfei/bottle,kevinmel2000/bottle,khirayama/bottle,ericfrederich/bottle,Kjuly/bottle,SmithSamuelM/bottle,Inndy/bottle,kevinmel2000/bottle,ericfrederich/bottle,defnull/bottle,SamuelMarks/bottle,catroot/bottle,adampresley/bottle,mrdon/bottle,mefyl/bottle,oz123/bottle,wangjun/bottle,ifduyue/bottle,ListFranz/bottle,StdioA/bottle,hkmshb/bottle,catroot/bottle,enzzc/bottle,fkazimierczak/bottle,hayate/bottle,oz123/bottle,SamuelMarks/bottle,taisa007/bottle-ja,StdioA/bottle,xsank/bottle,taisa007/bottle-ja,Kjuly/bottle,mrdon/bottle,khirayama/bottle,mefyl/bottle,AWFU/bottle,SmithSamuelM/bottle,ifduyue/bottle,CentricWebEstate/bottle,prologic/bottle,Inndy/bottle,myzhan/bottle,hkmshb/bottle,myzhan/bottle,bottlepy/bottle,enzzc/bottle,samstav/bottle,prologic/bottle,gaotongfei/bottle,fkazimierczak/bottle,CentricWebEstate/bottle,bottlepy/bottle,hayate/bottle