api(app): more consistent handling of per_page query param

app/Exceptions/Http/QueryValueOutOfRangeHttpException.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Pterodactyl\Exceptions\Http;
+
+use Illuminate\Http\Response;
+use Symfony\Component\HttpKernel\Exception\HttpException;
+
+class QueryValueOutOfRangeHttpException extends HttpException
+{
+    /**
+     * QueryValueOutOfRangeHttpException constructor.
+     */
+    public function __construct(string $name, int $min, int $max, \Throwable $previous = null)
+    {
+        parent::__construct(
+            Response::HTTP_BAD_REQUEST,
+            '\"' . $name . '\" query parameter must be between ' . $min . ' and ' . $max,
+            $previous,
+        );
+    }
+}