/**
  * Create a new instance of the Clockwork wrapper
  *
  * Also supports passing a username and a password as first and second parameter, but ONLY when 
  * used in WordPressClockwork for the purposes of converting to an API key.
  *
  * @param   string  key         Your Clockwork API Key
  * @param   array   options     Optional parameters for sending SMS
  * @author James Inman
  */
 public function __construct($arg1, $arg2 = array())
 {
     if (!isset($arg2) || is_array($arg2)) {
         parent::__construct($arg1, $arg2);
     } else {
         $this->username = $arg1;
         $this->password = $arg2;
     }
 }