public function registerStandardCommands()
    {
        $welcomeCommand = new WelcomeCommand();

        $this->add($welcomeCommand);
        $this->add(new NewPluginCommand());
        $this->add(new NewPostCommand());
        $this->add(new NewSiteCommand());
        $this->add(new NewThemeCommand());
        $this->add(new SelfUpdateCommand());
        $this->add(new SiteBuildCommand());
        $this->add(new UpdatePluginCommand());
        $this->add(new AddPluginCommand());
        $this->add(new RemovePluginCommand());

        $this->setDefaultCommand($welcomeCommand->getName());
    }