Changes appendParams to be more generic and accept Arrays and URLSearchParams types
This is compatible for current callers, but also allows calling the function without the need to create a Map
This way we avoid forcing ES6 polyfills on users of this function
Changes appendParams to be more generic and accept Arrays and URLSearchParams types
This is compatible for current callers, but also allows calling the function without the need to create a Map This way we avoid forcing ES6 polyfills on users of this function