Added details++; Vendor updates

Laravel/vendor/ramsey/uuid/CHANGELOG.md

@@ -1,5 +1,10 @@
 # ramsey/uuid Changelog
 
+## 3.7.1
+
+  * Use `random_bytes()` when generating random nodes
+  * Set the multicast bit for random nodes, according to RFC 4122, §4.5, [#170](https://github.com/ramsey/uuid/pull/170), [#171](https://github.com/ramsey/uuid/pull/171), [#182](https://github.com/ramsey/uuid/pull/182)
+
 ## 3.7.0
 
 _Released: 2017-08-04_

Laravel/vendor/ramsey/uuid/src/Provider/Node/RandomNodeProvider.php

@@ -31,6 +31,11 @@ class RandomNodeProvider implements NodeProviderInterface
      */
     public function getNode()
     {
-        return sprintf('%06x%06x', mt_rand(0, 0xffffff), mt_rand(0, 0xffffff));
+        $node = hexdec(bin2hex(random_bytes(6)));
+
+        // Set the multicast bit; see RFC 4122, section 4.5.
+        $node = $node | 0x010000000000;
+
+        return str_pad(dechex($node), 12, '0', STR_PAD_LEFT);
     }
 }