[Haml] Disable the powerset test when set equality is broken (Fixed in Ruby 1.8.7+)
[Haml] Disable the powerset test when set equality is broken (Fixed in Ruby 1.8.7+)

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