+ Added pq\Statement::$query and pq\Statement::$types readonly properties
+ Added pq\Cursor::{open,close}Async() methods
+ Added pq\Cursor::$query and pq\Cursor::$flags readonly properties
+ Added pq\Statement::$query and pq\Statement::$types readonly properties
+ Added pq\Cursor::{open,close}Async() methods
+ Added pq\Cursor::$query and pq\Cursor::$flags readonly properties