[Refactor] always shift first argument to `nvm`
[Refactor] always shift first argument to `nvm`
ljharb/nvm,edwmurph/nvm,PeterDaveHello/nvm,PeterDaveHello/nvm,PeterDaveHelloKitchen/nvm,edwmurph/nvm,ljharb/nvm,evocateur/nvm,lukechilds/nvm,PeterDaveHelloKitchen/nvm,lukechilds/nvm,evocateur/nvm,creationix/nvm,creationix/nvm