Added support for PHP7

tests/Pecee/SimpleRouter/Dummy/DummyMiddleware.php

@@ -0,0 +1,13 @@
+<?php
+require_once 'Exception/MiddlewareLoadedException.php';
+
+use Pecee\Http\Request;
+
+class DummyMiddleware implements \Pecee\Http\Middleware\IMiddleware
+{
+	public function handle(Request $request) : void
+	{
+		throw new MiddlewareLoadedException('Middleware loaded!');
+	}
+
+}