Remove appName requirement

This isn't needed as the token is registered with an app or user.

README.md

@@ -16,9 +16,7 @@ go get -u 'github.com/lildude/runalyze'
 
 You will need an access token to query the API. You can generate tokens in your account at [Personal API](https://runalyze.com/settings/personal-api).
 
-When using the client, you will also need to supply a name of your application. This is used in the user agent when querying the API and is used to identify applications that are accessing the API and enable Runalyze to contact the application author if there are problems. So pick a name that stands out!
-
-With your token and application name, you can then access the API using approach similar to this:
+With your token, you can then access the API using approach similar to this:
 
 ```go
 package main
@@ -36,11 +34,7 @@ import (
 func main() {
   godotenv.Load(".env")
   ctx := context.Background()
-  cfg := runalyze.Configuration{
-    AppName: "My Cool App/3.2.1",
-    Token: os.Getenv("RUNALYZE_ACCESS_TOKEN"),
-  }
-  cl := runalyze.NewClient(cfg)
+  cl := runalyze.NewClient(os.Getenv("RUNALYZE_ACCESS_TOKEN"))
 
   startSleep, _ := time.Parse(time.RFC3339, "2020-11-07T23:00:00Z")
   sleep := runalyze.Sleep{

client.go

@@ -17,8 +17,7 @@ import (
 var (
 	// BaseURLV1 is Runalyze's v1 API endpoint
 	BaseURLV1 = "https://runalyze.com/api/v1/"
-	version = "dev"
-	userAgent = fmt.Sprintf("go-runalyze/%s", version)
+	userAgent = "go-runalyze"
 )
 
 // Client holds configuration items for the Runalyze client and provides methods that interact with the Runalyze API.
@@ -29,19 +28,12 @@ type Client struct {
 	client    *http.Client
 }
 
-// Configuration holds the client information used when initialising the client
-type Configuration struct {
-	AppName string
-	Token string
-}
-
 // NewClient returns a new Runalyze API client.
-func NewClient(cfg Configuration) *Client {
+func NewClient(token string) *Client {
 	cc := http.DefaultClient
 	baseURL, _ := url.Parse(BaseURLV1)
-	ua := fmt.Sprintf("%s (%s)", cfg.AppName, userAgent)
 
-	c := &Client{baseURL: baseURL, UserAgent: ua, apiToken: cfg.Token, client: cc}
+	c := &Client{baseURL: baseURL, UserAgent: userAgent, apiToken: token, client: cc}
 	return c
 }
 

client_test.go

@@ -16,26 +16,18 @@ import (
 // TestNewClient confirms that a client can be created with the default baseURL
 // and default User-Agent.
 func TestNewClient(t *testing.T) {
-	cfg := Configuration{
-		AppName: "Testing/0.0.1",
-		Token: "123456",
-	}
-	c := NewClient(cfg)
+	c := NewClient("123456")
 
 	assert.Equal(t, BaseURLV1, c.baseURL.String(), "should configure the client to use the default url")
-	assert.Equal(t, fmt.Sprintf("Testing/0.0.1 (go-runalyze/%s)", version), c.UserAgent)
+	assert.Equal(t, "go-runalyze", c.UserAgent)
 	assert.Equal(t, "123456", c.apiToken, "should configure the client to use the API token")
 }
 
 // TestNewRequest confirms that NewRequest returns an API request with the
 // correct URL, a correctly encoded body and the correct User-Agent and
 // Content-Type headers set.
 func TestNewRequest(t *testing.T) {
-	cfg := Configuration{
-		AppName: "Testing/0.0.1",
-		Token: "123456",
-	}
-	c := NewClient(cfg)
+	c := NewClient("123456")
 
 	t.Run("valid request", func(tc *testing.T) {
 
@@ -214,11 +206,7 @@ func setup() (client *Client, mux *http.ServeMux, serverURL string, teardown fun
 	mux = http.NewServeMux()
 	server := httptest.NewServer(mux)
 
-	cfg := Configuration{
-		AppName: "Testing/0.0.1",
-		Token: "123456",
-	}
-	c := NewClient(cfg)
+	c := NewClient("123456")
 	url, _ := url.Parse(server.URL + "/")
 	c.baseURL = url
 

doc.go

@@ -10,11 +10,7 @@ different functions of the Runalyze API. All of the API calls require an access
 token which should be passed when initialising the client. For example:
 
 	ctx := context.Background()
-	cfg := runalyze.Configuration{
-    AppName: "My Cool App/3.2.1",
-    Token: "RUNALYZE_ACCESS_TOKEN",
-  }
-	client := runalyze.NewClient(cfg)
+	client := runalyze.NewClient(os.Getenv("RUNALYZE_ACCESS_TOKEN"))
 
 	// Create a new sleep entry
 	startSleep, _ := time.Parse(time.RFC3339, "2020-11-07T23:00:00Z")

example_test.go

@@ -17,11 +17,7 @@ import (
 func Example_sleep() {
 	godotenv.Load(".env")
 	ctx := context.Background()
-	cfg := runalyze.Configuration{
-		AppName: "go-runalyze Testing",
-		Token: os.Getenv("RUNALYZE_ACCESS_TOKEN"),
-	}
-	cl := runalyze.NewClient(cfg)
+	cl := runalyze.NewClient(os.Getenv("RUNALYZE_ACCESS_TOKEN"))
 
 	startSleep, _ := time.Parse(time.RFC3339, "2020-11-07T23:00:00Z")
 	sleep := runalyze.Sleep{
@@ -43,11 +39,7 @@ func Example_sleep() {
 func Example_bloodPressure() {
 	godotenv.Load(".env")
 	ctx := context.Background()
-	cfg := runalyze.Configuration{
-		AppName: "go-runalyze Testing",
-		Token: os.Getenv("RUNALYZE_ACCESS_TOKEN"),
-	}
-	cl := runalyze.NewClient(cfg)
+	cl := runalyze.NewClient(os.Getenv("RUNALYZE_ACCESS_TOKEN"))
 
 	date, _ := time.Parse(time.RFC3339, "2020-11-07T23:00:00Z")
 	bp := runalyze.BloodPressure{