Rename secret ee to hex

cli_access.go

 		IPv4: runMakeAccessResponseURLs(ipv4, conf, cli),
 		IPv6: runMakeAccessResponseURLs(ipv6, conf, cli),
 	}
-    resp.Secret.Base64 = conf.Secret.Base64()
-    resp.Secret.Hex = conf.Secret.EE()
+	resp.Secret.Base64 = conf.Secret.Base64()
+	resp.Secret.Hex = conf.Secret.Hex()
 
 	encoder := json.NewEncoder(os.Stdout)
 
 		return nil
 	}
 
+	if resp.StatusCode != http.StatusOK {
+		return nil
+	}
+
 	defer exhaustResponse(resp)
 
 	data, err := ioutil.ReadAll(resp.Body)
 
 	values.Set("server", ip.String())
 	values.Set("port", strconv.Itoa(int(conf.BindTo.port.Value(0))))
-	values.Set("secret", conf.Secret.Base64())
 
 	if cli.Access.Hex {
-		values.Set("secret", conf.Secret.EE())
+		values.Set("secret", conf.Secret.Hex())
+	} else {
+		values.Set("secret", conf.Secret.Base64())
 	}
 
 	urlQuery := values.Encode()

cli_generate_secret.go

 	secret := mtglib.GenerateSecret(cli.GenerateSecret.HostName)
 
 	if cli.GenerateSecret.Hex {
-		fmt.Println(secret.EE())
+		fmt.Println(secret.Hex())
 	} else {
 		fmt.Println(secret.Base64())
 	}

mtglib/secret.go

 	return nil
 }
 
-func (s Secret) Base64() string {
-	data := append([]byte{238}, s.Key...) // 238 = hex ee
-	data = append(data, s.Host...)
+func (s Secret) String() string {
+	return s.Base64()
+}
 
-	return base64.RawURLEncoding.EncodeToString(data)
+func (s Secret) Base64() string {
+	return base64.RawURLEncoding.EncodeToString(s.makeBytes())
 }
 
-func (s Secret) String() string {
-	return s.Base64()
+func (s Secret) Hex() string {
+	return hex.EncodeToString(s.makeBytes())
 }
 
-func (s Secret) EE() string {
-	return "ee" + hex.EncodeToString(append(s.Key, s.Host...))
+func (s *Secret) makeBytes() []byte {
+	data := append([]byte{238}, s.Key...) // hex 'ee' = 238
+	data = append(data, s.Host...)
+
+	return data
 }
 
 func GenerateSecret(hostname string) Secret {