feat(client): accept &String for a Url in RequestBuilder
feat(client): accept &String for a Url in RequestBuilder

adds an IntoUrl implementation for &String

clatour/hyper,rschulman/hyper,mlalic/hyper,fuchsnj/hyper,tempbottle/hyper,yazaddaruvala/hyper,tshepang/hyper,mfeckie/hyper,hyperium/hyper,hannobraun/hyper,nstoddard/hyper,mitsuhiko/hyper,mneumann/hyper,golddranks/hyper,nickgonzales/hyper,Twey/hyper,nickgonzales/hyper,hannobraun/hyper,markuskobler/hyper,tshepang/hyper,erickt/hyper,Keats/hyper,achanda/hyper,yazaddaruvala/hyper,TimNN/hyper,softprops/hyper,peterhj/hyper,fhahn/hyper,nickgonzales/hyper,hannobraun/hyper,hyperium/hyper,bheesham/hyper,reem/hyper,Twey/hyper,giftcards/hyper,pyfisch/hyper,markuskobler/hyper,nstoddard/hyper,golddranks/hyper,manuel-woelker/hyper,Keats/hyper,steveklabnik/hyper,Twey/hyper,bonifaido/hyper,fengsp/hyper,sfackler/hyper,mre/hyper,tshepang/hyper,mlalic/hyper,yangxingpping/hyper,lame-nickname/hyper,ianks/hyper,Keats/hyper,golddranks/hyper,youprofit/hyper,mikedilger/hyper,hyperium/hyper,markuskobler/hyper,jmmaranan/hyper