Imports github.com/blang/semver github.com/itchio/butler/art github.com/go-errors/errors github.com/itchio/butler/comm github.com/itchio/go-itchio github.com/itchio/wharf/pwr gopkg.in/alecthomas/kingpin.v2 Standard library imports bufio context fmt io/ioutil net net/http net/url os path/filepath regexp runtime strings