public static function findById($id)
    {
        try {
            $tableName = self::getTableName();
            $conn = self::getConnection();

            $stmt = $conn->query('SELECT * FROM '.$tableName.' WHERE id='.$id);

            return self::find($stmt);
        }
        catch(PDOException $pe) {
            return $pe->getMessage();
        }
        catch(Exception $e) {
            return $e->getMessage();
        }
    }