Set additional $params to a clone of this instance.
See http\QueryString::set().
-> **Note:** This method returns a clone (copy) of this instance
+> **Note:** This method returns a clone (copy) of this instance.
## Params:
* mixed $params = NULL
Additional params as object, array or string to parse.
-
## Returns:
* http\QueryString, clone.
+
+## Throws:
+
+* http\Exception\BadQueryStringException