public function install()
	{
		if ($this->arguments->getOpt('package'))
		{
			$package = $this->arguments->getOpt('package');
		}
		if ($this->arguments->getOpt('version'))
		{
			$version = $this->arguments->getOpt('version');
		}
		if (!isset($package) || !isset($version))
		{
			$this->output->error('A package name and version is required');
		}

		try
		{
			Composer::installPackage($package, $version);
		}
		catch (Exception $e)
		{

		}
		$this->output->addLine("Done.  $package($version) installed.");
	}