Untestable code? How is it untestable? Unfiltered input? You realise that this is a router, right? The only 'input' is the URL path. I really wish you could b

Untestable code? How is it untestable? Unfiltered input? You realise that this is a router, right? The only 'input' is the URL path. I really wish you could be more specific about these 'worst practices' that make this 91-line library an 'unmaintainable mess and security hole'.