refactoring respondOnException.
refactoring respondOnException.

sordina/wai,dylex/wai,jberryman/wai,dylex/wai,iquiw/wai,AndrewRademacher/wai,mfine/wai,utdemir/wai,soenkehahn/wai,sordina/wai,rgrinberg/wai,rgrinberg/wai,coypoop/wai,kazu-yamamoto/wai,urbanslug/wai,mfine/wai,yesodweb/wai,kazu-yamamoto/wai,tolysz/wai,frontrowed/wai,beni55/wai,ygale/wai,iquiw/wai,dylex/wai,sol/wai,beni55/wai,creichert/wai,sol/wai,utdemir/wai,tolysz/wai,soenkehahn/wai,sordina/wai,awpr/wai,frontrowed/wai,AndrewRademacher/wai,rgrinberg/wai,jberryman/wai,AndrewRademacher/wai,soenkehahn/wai,erikd/wai,AndrewRademacher/wai,sordina/wai,utdemir/wai,awpr/wai,coypoop/wai,iquiw/wai,frontrowed/wai,frontrowed/wai,beni55/wai,soenkehahn/wai,iquiw/wai,awpr/wai,urbanslug/wai,erikd/wai,dylex/wai,erikd/wai,jberryman/wai,jberryman/wai,urbanslug/wai,beni55/wai,tolysz/wai,ygale/wai,tolysz/wai,ygale/wai,awpr/wai,urbanslug/wai,creichert/wai,coypoop/wai,erikd/wai,mfine/wai,coypoop/wai,ygale/wai,rgrinberg/wai,sol/wai,yesodweb/wai,rgrinberg/wai,utdemir/wai,mfine/wai