Adding a debug logger that is turned off by default.

Info logger is enabled by default but prints out less information.

realis_e2e_test.go

@@ -17,6 +17,7 @@ package realis_test
 import (
 	"fmt"
 	"io/ioutil"
+	"log"
 	"os"
 	"testing"
 	"time"
@@ -40,7 +41,9 @@ func TestMain(m *testing.M) {
 	// New configuration to connect to Vagrant image
 	r, err = realis.NewRealisClient(realis.SchedulerUrl("http://192.168.33.7:8081"),
 		realis.BasicAuth("aurora", "secret"),
-		realis.TimeoutMS(20000))
+		realis.TimeoutMS(20000),
+		realis.DebugLogger(log.New(os.Stdout, "realis-debug: ", log.Ltime|log.LUTC|log.Ldate)))
+
 	if err != nil {
 		fmt.Println("Please run vagrant box before running test suite")
 		os.Exit(1)