* Add support for libmpv's new args to key binding handlers
* Use callback id() instead of frame hash() to identify
anonymous python streams
* Tests: Fix race condition in
test_wait_for_property_concurrency
* Fix quit and quit_watch_later commands
* Add test for dict-valued properties
* Add API to set dict-valued properties
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-python-mpv?expand=0&rev=48
