/**
* Constructs a new GitHub tracker instance.
*
* @param string $username
* @param string $password
* @param string $project
* @param string $owner Optional project owner, e.g. user or organization.
*/
public function __construct($username, $password, $project, $owner = null)
{
$github = new Client();
$github->setHeaders(array('Authorization: Basic ' . base64_encode("{$username}:{$password}")));
$github->authenticate($username, $password, Client::AUTH_HTTP_PASSWORD);
$this->github = $github->getIssueApi();
$this->owner = $owner ?: $username;
$this->project = $project;
}