fix missing use stmts

app/Router/Collection.php

@@ -81,7 +81,7 @@ class Collection
     public function url($name, $params = [])
     {
         if (!array_key_exists($name, $this->names)) {
-            throw new Exception;
+            throw new \Exception;
         }
 
         return parse_url('/' . $this->names[$name]->path, PHP_URL_PATH);

app/User.php

@@ -10,6 +10,7 @@ use Carbon\Carbon;
 use LastFmApi\Api\AuthApi;
 use LastFmApi\Api\UserApi;
 use LastFmApi\Exception\LastFmApiExeption;
+use Sakura\Exceptions\NetAddressTypeException;
 use Sakura\Perms;
 use Sakura\Perms\Site;
 use stdClass;