Grand test fixup (#138)

* start fixing up tests

* fix up tests + automate with drone

* fiddle with linting

* messing about with drone.yml

* some more fiddling

* hmmm

* add cache

* add vendor directory

* verbose

* ci updates

* update some little things

* update sig

vendor/github.com/superseriousbusiness/oauth2/v4/doc.go

@@ -0,0 +1,24 @@
+// OAuth 2.0 server library for the Go programming language
+//
+//     package main
+//     import (
+//         "net/http"
+//         "github.com/superseriousbusiness/oauth2/v4/manage"
+//         "github.com/superseriousbusiness/oauth2/v4/server"
+//         "github.com/superseriousbusiness/oauth2/v4/store"
+//     )
+//     func main() {
+//         manager := manage.NewDefaultManager()
+//         manager.MustTokenStorage(store.NewMemoryTokenStore())
+//         manager.MapClientStorage(store.NewTestClientStore())
+//         srv := server.NewDefaultServer(manager)
+//         http.HandleFunc("/authorize", func(w http.ResponseWriter, r *http.Request) {
+//             srv.HandleAuthorizeRequest(w, r)
+//         })
+//         http.HandleFunc("/token", func(w http.ResponseWriter, r *http.Request) {
+//             srv.HandleTokenRequest(w, r)
+//         })
+//         http.ListenAndServe(":9096", nil)
+//     }
+
+package oauth2