PHP8: better exception handling

Looks like PHP8 handles exceptions differently with Throwables used in cases where php-error occoured.
To fix this Throwable are now used to catch exception in routeRequest and any instance of Throwable will be converted to Exception.

src/Pecee/SimpleRouter/Router.php

@@ -443,10 +443,14 @@ class Router
                 }
             }
 
-        } catch (Exception $e) {
+        } catch (\Throwable $e) {
+            if ($e instanceof Exception) {
                 return $this->handleException($e);
             }
 
+            return $this->handleException(new Exception($e->getMessage(), $e->getCode()));
+        }
+
         if ($methodNotAllowed === true) {
             $message = sprintf('Route "%s" or method "%s" not allowed.', $this->request->getUrl()->getPath(), $this->request->getMethod());
             return $this->handleException(new NotFoundHttpException($message, 403));