Renamed repo, added go modules, protect access token from concurrent …

…read access.

client.go

@@ -25,7 +25,7 @@ type Client struct {
 	hostname     string
 	accessToken  string
 	expiresAt    time.Time
-	m            sync.Mutex
+	m            sync.RWMutex
 }
 
 // ClientConfig is used to configure the Client.
@@ -152,5 +152,7 @@ func (client *Client) performPost(url string, body interface{}) error {
 }
 
 func (client *Client) setRequestHeaders(req *http.Request) {
+	client.m.RLock()
+	defer client.m.RUnlock()
 	req.Header.Set("Authorization", "Bearer "+client.accessToken)
 }

demo/main.go

@@ -1,7 +1,7 @@
 package main
 
 import (
-	"github.com/pirsch-analytics/go-sdk"
+	"github.com/pirsch-analytics/pirsch-go-sdk"
 	"log"
 	"net/http"
 )

go.mod

@@ -0,0 +1,3 @@
+module github.com/pirsch-analytics/pirsch-go-sdk
+
+go 1.15