// Initiliaze and do initial cache test
	function __construct() {

	  	$this->db_host = 'localhost';
	  	$this->db_user = '';
	  	$this->db_pass = '';
	  	$this->db_name = '';

		$this->user = $_GET['user'];
		$this->filename = '/tmp/tmp.png';
		// Check to see if Image is already cached. If not, begin generation process.
		// Else, begin recall process.
		$this->cached = $this->Cached();

		if(!$this->cached) {
				// Create the image (not cached)
			  $this->createImage();
		}

		else {
				// Recall the image (cached and does not need to be updated).
			$this->recallImage();
		}
	}