more idiomatic checking of flag in dev command
more idiomatic checking of flag in dev command

nanobox-io/nanobox-cli,nanobox-io/nanobox-cli,nanobox-io/nanobox,nanobox-io/nanobox-cli,nanobox-io/nanobox,pagodabox/nanobox-cli,pagodabox/nanobox-cli