Add changing TLS Zone Settings capability

src/Endpoints/TLS.php

@@ -0,0 +1,49 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: junade
+ * Date: 06/06/2017
+ * Time: 15:45
+ */
+
+namespace Cloudflare\API\Endpoints;
+
+use Cloudflare\API\Adapter\Adapter;
+
+class TLS implements API
+{
+    private $adapter;
+
+    public function __construct(Adapter $adapter)
+    {
+        $this->adapter = $adapter;
+    }
+
+    public function enableTLS13($zoneID, $enable=false)
+    {
+        $return = $this->adapter->patch(
+            'zones/' . $zoneID . '/settings/tls_1_3',
+            ['value' => $enable ? 'on' : 'off']
+        );
+        $body = json_decode($return->getBody());
+
+        if ($body->success) {
+            return true;
+        }
+
+        return false;
+    }
+
+    public function changeMinimumTLSVersion($zoneID, $minimumVersion)
+    {
+        $return = $this->adapter->patch(
+            'zones/' . $zoneID . '/settings/min_tls_version',
+            [
+                'value' => $minimumVersion
+            ]
+        );
+        $body = json_decode($return->getBody());
+
+        return $body->result;
+    }
+}