What's new in pyatspi 2.33.90:

* Fix typo in get_imageLocale.

* event.str(): show event sender.

* Remove wrapper for atspi_text_notify_reading_position, as the function has
  been removed from at-spi2-core.

* events: replace object:text:reading-position with
  screen-reader:region-changed.

* Add wrapper for atspi_set_reference_window.