Fixed memoization in sass plugin
Fixed memoization in sass plugin

git-svn-id: 93069e0dc7225fbffdaa34e2b50be2112296e79e@282 7063305b-7217-0410-af8c-cdc13e5119b9

PMArtz92/sass,nazar-pc/haml,modulexcite/sass,danielfein/sass,saper/sass,MetaAshley/sass,srinivashappy/sass,macressler/haml,briangonzalez/sass,chriseppstein/haml,uniba/hamldoc_ja,rammy7219/sass,MetaAshley/sass,dg1dd1ngs/haml,xzyfer/sass,JuanitoFatas/sass,ridixcr/sass,stanhu/haml,lmetla/sass,tenderlove/sass,nicklima/sass,rammy7219/sass,Galactix/sass,tangposmarvin/sass,DanteKaris/sass,dylannnn/sass,nickg33/sass,baiyanghese/sass,lmetla/sass,chriseppstein/sass,Industrys/sass,macressler/haml,stanhu/haml,Ahnita/sass,cmpereirasi/sass,tangposmarvin/haml,hcatlin/sass,tangposmarvin/haml,keithpitty/haml,stewx/sass,JuanitoFatas/sass,zaru/sass,haml/haml,Nzaga/sass,srawlins/sass,zaru/sass,purcell/haml,amitsuroliya/sass,HugoRLopes/sass,chriseppstein/haml,haml/haml,stefanpenner/haml,modulexcite/sass,askl56/sass,StephanieMak/sass,sideci-sample/sideci-sample-haml,stewx/sass,DanteKaris/sass,oss-practice/sass,vio/haml,ridixcr/sass,schneems/sass,HugoRLopes/sass,danielfein/sass,Iamronan/sass,haml/haml,dylannnn/sass,liquidmetal/sass,Anshdesire/sass,srawlins/sass,14113/sass,OrenBochman/sass,nicklima/sass,OrenBochman/sass,dg1dd1ngs/haml,amatsuda/haml,Industrys/sass,Anshdesire/sass,antonifs/sass,concord-consortium/haml,hcatlin/sass,liquidmetal/sass,askl56/sass,nazar-pc/haml,amitsuroliya/sass,Andrey-Pavlov/sass,jaroot32/sass,schneems/sass,tangposmarvin/sass,Ahnita/sass,Galactix/sass,PMArtz92/sass,StephanieMak/sass,Andrey-Pavlov/sass,cmpereirasi/sass,haml/haml,Iamronan/sass,keithpitty/haml,mislav/haml,Nzaga/sass,jaroot32/sass,srinivashappy/sass,saper/sass,xzyfer/sass,antonifs/sass,nickg33/sass