optional config parameter added

Author: Malte Goldenbaum

src/IMAP/Folder.php

@@ -140,6 +140,7 @@ public function setChildren($children = []) {
      * Get messages.
      *
      * @param string $criteria
+     * @param null   $fetch_options
      *
      * @return \Illuminate\Support\Collection
      */

src/IMAP/Message.php

@@ -131,7 +131,7 @@ public function __construct($uid, $msglist, Client $client, $fetch_options = nul
         $this->uid = $uid;
         $this->msglist = $msglist;
         $this->client = $client;
-        $this->fetch_options = ($fetch_options) ? $fetch_options : FT_UID;
+        $this->fetch_options = ($fetch_options) ? $fetch_options : config('imap.options.fetch', FT_UID);
 
         $this->parseHeader();
         $this->parseBody();

src/config/imap.php

@@ -62,4 +62,16 @@
         ]
         */
     ],
+
+    /*
+    |--------------------------------------------------------------------------
+    | Available IMAP options
+    |--------------------------------------------------------------------------
+    |
+    | Available php imap config parameters are listed below
+    |
+    */
+    'options' => [
+        'fetch' => FT_UID,
+    ]
 ];