go fmt files authenticate.go, acceptance/00-authentication.go and acceptance/libargs.go
diff --git a/acceptance/00-authentication.go b/acceptance/00-authentication.go
index 10ed022..2374efb 100644
--- a/acceptance/00-authentication.go
+++ b/acceptance/00-authentication.go
@@ -1,28 +1,28 @@
 package main
 
 import (
-  "github.com/rackspace/gophercloud"
-  "strings"
-  "fmt"
-  "os"
+	"fmt"
+	"github.com/rackspace/gophercloud"
+	"os"
+	"strings"
 )
 
 func main() {
-  provider, username, _, apiKey := getCredentials()
+	provider, username, _, apiKey := getCredentials()
 
-  if !strings.Contains(provider, "rackspace") {
-    fmt.Fprintf(os.Stdout, "Skipping test because provider doesn't support API_KEYs\n")
-    return
-  }
+	if !strings.Contains(provider, "rackspace") {
+		fmt.Fprintf(os.Stdout, "Skipping test because provider doesn't support API_KEYs\n")
+		return
+	}
 
-  _, err := gophercloud.Authenticate(
-    provider,
-    gophercloud.AuthOptions{
-      Username: username,
-      ApiKey: apiKey,
-    },
-  )
-  if err != nil {
-    panic(err)
-  }
+	_, err := gophercloud.Authenticate(
+		provider,
+		gophercloud.AuthOptions{
+			Username: username,
+			ApiKey:   apiKey,
+		},
+	)
+	if err != nil {
+		panic(err)
+	}
 }