Refactor and add some docblocks

Author: WaveHack

src/Auth/AuthInterface.php

@@ -2,12 +2,8 @@
 
 namespace PoGoPHP\Auth;
 
-use GuzzleHttp\ClientInterface;
-
 interface AuthInterface
 {
-    public function setHttpClient(ClientInterface $httpClient);
-
     /**
      * @return AccessToken
      */

src/Location/Location.php

@@ -4,9 +4,22 @@
 
 class Location
 {
+    /**
+     * @var string
+     */
     public $lat;
+
+    /**
+     * @var string
+     */
     public $lng;
 
+    /**
+     * Location constructor.
+     *
+     * @param string $lat
+     * @param string $lng
+     */
     public function __construct($lat, $lng)
     {
         $this->lat = $lat;