feat(cargo): prepare for crates.io release.
feat(cargo): prepare for crates.io release.

giftcards/hyper,hannobraun/hyper,huonw/hyper,Ryman/hyper,hannobraun/hyper,reem/hyper,bonifaido/hyper,manuel-woelker/hyper,tshepang/hyper,tempbottle/hyper,TimNN/hyper,erickt/hyper,servo/hyper,fhahn/hyper,Keats/hyper,steveklabnik/hyper,rschulman/hyper,nickgonzales/hyper,fuchsnj/hyper,nickgonzales/hyper,hyperium/hyper,tshepang/hyper,ianks/hyper,peterhj/hyper,clatour/hyper,pyfisch/hyper,Keats/hyper,youprofit/hyper,frewsxcv/hyper,nstoddard/hyper,golddranks/hyper,mneumann/hyper,hyperium/hyper,golddranks/hyper,mikedilger/hyper,yazaddaruvala/hyper,mfeckie/hyper,achanda/hyper,markuskobler/hyper,Twey/hyper,tshepang/hyper,Twey/hyper,hannobraun/hyper,mitsuhiko/hyper,mre/hyper,PeterReid/hyper,yazaddaruvala/hyper,golddranks/hyper,sfackler/hyper,retep998/hyper,mlalic/hyper,Keats/hyper,softprops/hyper,markuskobler/hyper,lame-nickname/hyper,Twey/hyper,nickgonzales/hyper,yangxingpping/hyper,mlalic/hyper,nstoddard/hyper,markuskobler/hyper,jmmaranan/hyper,bheesham/hyper,hyperium/hyper,fengsp/hyper