Added Base#route_eval for hooking into route execution
Added Base#route_eval for hooking into route execution

Tiny yet potentially useful abstraction, allowing developers to tap
into a route proc before it has been executed.

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