Merge pull request #228 from Sentimentron/fix-11

Fix for error that happens on Go 1.11 and above

Author: Sentimentron

base/error.go

@@ -80,6 +80,6 @@ func WrapError(err error) error {
 }
 
 func FormatError(err error, format string, args ...interface{}) error {
-	description := fmt.Sprintf(format, args)
+	description := fmt.Sprintf(format, args...)
 	return DescribeError(description, err)
 }