Implement repeat loops

defaults.go

@@ -81,3 +81,11 @@ func doShellScript(args map[string]interface{}) (interface{}, error) {
 		return nil, errors.New("script not provided")
 	}
 }
+
+func toString(args map[string]interface{}) (interface{}, error) {
+	val, ok := args[""]
+	if !ok {
+		return nil, errors.New("no value provided")
+	}
+	return fmt.Sprint(val), nil
+}