Added Sass module and 'sass' method for rendering Sass stylesheets.
Added Sass module and 'sass' method for rendering Sass stylesheets.

kgrz/sinatra,howtolearntocode/sinatra,blambeau/sinatra,bmizerany/sinatra,Wirachmat/sinatra,miyazawatomoka/sinatra,RosenDimov/sinatra,JonMidhir/sinatra,davydovanton/sinatra,ryanshaw/sinatra,ktw1222/sinatra,d-bot/sinatra,gferguson-gd/sinatra,nju520/sinatra,nju520/sinatra,twanies/sinatra,trexnix/sinatra,laplaceliu/sinatra,JonMidhir/sinatra,twanies/sinatra,mwpastore/sinatra,howtolearntocode/sinatra,JonRowe/sinatra,siberianbear/sinatra,jenalgit/sinatra,ksw2599/sinatra,jeffbski/sinatra,ksw2599/sinatra,burningTyger/sinatra,kumji/sinatra,ganmacs/sinatra,ganmacs/sinatra,burningTyger/sinatra,autopp/sinatra,jkowens/sinatra,miyazawatomoka/sinatra,autopp/sinatra,porras/sinatra,cyberid41/sinatra,emiliocorpus/sinatra,wzheng1/sinatra,midorineko/sinatra,dariubs/sinatra,jkowens/sinatra,d-bot/sinatra,cyberid41/sinatra,sethuster/sinatra,ABaldwinHunter/sinatra-classic,JonMidhir/sinatra,nottombrown/old-sinatra,sinatra/sinatra,midorineko/sinatra,laplaceliu/sinatra,caffo/sinatra,RosenDimov/sinatra,QLGu/sinatra,frechei/sinatra,lastcat/sinatra,nottombrown/old-sinatra,kumji/sinatra,kyontan/sinatra,kyontan/sinatra,Callygraphy/morrissey,dariubs/sinatra,jkowens/sinatra,QLGu/sinatra,gferguson-gd/sinatra,Rayheng/sinatra,wzheng1/sinatra,nicoayala/sinatra,mwpastore/sinatra,sinatra/sinatra,eileencodes/sinatra,ABaldwinHunter/sinatra-classic,nicoayala/sinatra,Rayheng/sinatra,sethuster/sinatra,eileencodes/sinatra,petergunz/sinatra,ryanshaw/sinatra,emiliocorpus/sinatra,mwpastore/sinatra,davydovanton/sinatra,Wirachmat/sinatra,JonRowe/sinatra,DoraALin/sinatra,trexnix/sinatra,frechei/sinatra,porras/sinatra,defsprite/sinatra,guidohcosta/sinatra,ktw1222/sinatra,burningTyger/sinatra,marocchino/sinatra,siberianbear/sinatra,defsprite/sinatra,lastcat/sinatra,guidohcosta/sinatra,DoraALin/sinatra,jenalgit/sinatra