Update PHPDoc links

Author: SamuelTallet

source/php/MPG/CollectionsController.php

@@ -15,7 +15,7 @@ public function manage() : ViewResponse {
     }
 
     /**
-     * @see https://docs.mongodb.com/php-library/v1.6/reference/method/MongoDBDatabase-listCollections/index.html
+     * @see https://docs.mongodb.com/php-library/v1.12/reference/method/MongoDBDatabase-listCollections/index.html
      */
     public function list() : JsonResponse {
 
@@ -48,7 +48,7 @@ public function list() : JsonResponse {
     }
 
     /**
-     * @see https://docs.mongodb.com/php-library/v1.6/reference/method/MongoDBDatabase-createCollection/index.html
+     * @see https://docs.mongodb.com/php-library/v1.12/reference/method/MongoDBDatabase-createCollection/index.html
      */
     public function create() : JsonResponse {
 
@@ -107,7 +107,7 @@ public function rename() : JsonResponse {
     }
 
     /**
-     * @see https://docs.mongodb.com/php-library/v1.6/reference/method/MongoDBCollection-drop/index.html
+     * @see https://docs.mongodb.com/php-library/v1.12/reference/method/MongoDBCollection-drop/index.html
      */
     public function drop() : JsonResponse {
 

source/php/MPG/Controller.php

@@ -2,9 +2,6 @@
 
 namespace MPG;
 
-/**
- * @deprecated
- */
 class Controller {
 
     /**
@@ -22,6 +19,7 @@ private function getRequestBody() : ?string {
 
     /**
      * Returns request body, decoded.
+     * @deprecated
      * 
      * @throws \Exception
      *