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/models/client.go

@@ -0,0 +1,46 @@
+package models
+
+// Client client model
+type Client interface {
+	GetID() string
+	GetSecret() string
+	GetDomain() string
+	GetUserID() string
+}
+
+func New(id string, secret string, domain string, userID string) Client {
+	return &simpleClient{
+		id: id,
+		secret: secret,
+		domain: domain,
+		userID: userID,
+	}
+}
+
+// simpleClient is a very simple client model that satisfies the Client interface
+type simpleClient struct {
+	id     string
+	secret string
+	domain string
+	userID string
+}
+
+// GetID client id
+func (c *simpleClient) GetID() string {
+	return c.id
+}
+
+// GetSecret client secret
+func (c *simpleClient) GetSecret() string {
+	return c.secret
+}
+
+// GetDomain client domain
+func (c *simpleClient) GetDomain() string {
+	return c.domain
+}
+
+// GetUserID user id
+func (c *simpleClient) GetUserID() string {
+	return c.userID
+}