Imports gopkg.in/h2non/gentleman-retry.v1 gopkg.in/h2non/gentleman.v1 gopkg.in/h2non/gentleman.v1/context gopkg.in/h2non/gentleman.v1/plugin gopkg.in/h2non/gentleman.v1/plugins/body gopkg.in/h2non/gentleman.v1/plugins/timeout Standard library imports bytes encoding/json errors fmt io/ioutil net net/http/httputil os strconv time