Add port setter.

src/Curl/Curl.php

@@ -538,6 +538,18 @@ class Curl
         $this->setOpt(CURLOPT_COOKIE, str_replace(' ', '%20', urldecode(http_build_query($this->cookies, '', '; '))));
     }
 
+    /**
+     * Set Port
+     *
+     * @access public
+     * @param  $port
+     */
+    public function setPort($port)
+    {
+        $this->cookies[$key] = $value;
+        $this->setOpt(CURLOPT_PORT, intval($port));
+    }
+
     /**
      * Set Cookie File
      *