Separate lines for string properties of Url class

Looks like phpstan running on PHP 7.x doesn't like definition of
multiple class properties on one line, so just change to separate
definitions.

src/Url.php

@@ -20,26 +20,50 @@
 class Url
 {
     /**
-     * All (string) url components.
-     *
      * @var string|null
      */
-    private $url, $scheme, $user, $pass, $path, $query, $fragment;
+    private $url;
+
+    /**
+     * @var string|null
+     */
+    private $scheme;
+
+    /**
+     * @var string|null
+     */
+    private $user;
+
+    /**
+     * @var string|null
+     */
+    private $pass;
 
     /**
-     * The host component is parsed to an instance of the Host class.
-     *
      * @var Host|null
      */
     private $host;
 
     /**
-     * Port url component (int).
-     *
      * @var int|null
      */
     private $port;
 
+    /**
+     * @var string|null
+     */
+    private $path;
+
+    /**
+     * @var string|null
+     */
+    private $query;
+
+    /**
+     * @var string|null
+     */
+    private $fragment;
+
     /**
      * List of all components including alias method names.
      *