Make the module inline with the version
diff --git a/go.mod b/go.mod
index ad96090..553120c 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,3 @@
-module github.com/xanzy/go-cloudstack
+module github.com/xanzy/go-cloudstack/v2
 
-go 1.12
+go 1.13