* Refactor sun component for correctness
* Convert datetimes to dates for astral
* Fix tests for updated code
* Fix times now that calcs are fixed
* Move sun functions to helpers
* Fix flake on new file
* Additional tweaks from review
* Update requirements
* Update scan_interval and interval_seconds max to 1 day vs. 60 seconds
* Format fixes
* Add docstring on unittest.
* Added and implemented new async_track_time_interval helper.
* Format fixes, removed unused import.
* Undid whoops on unsub_polling.
* Updated unit tests for scan_interval.
* Added unit test for track_time_interval.
* Allow other forms of time interval input for scan_interval and interval_seconds
* Add async_safe annotation
* More async_run_job
* coroutine -> async_save
* Lint
* Rename async_safe -> callback
* Add tests to core for different job types
* Add one more test with different type of callbacks
* Fix typing signature for callback methods
* Fix callback service executed method
* Fix method signatures for callback
* Add event loop to the core
* Add block_till_done to HA core object
* Fix some tests
* Linting core
* Fix statemachine tests
* Core test fixes
* fix block_till_done to wait for loop and queue to empty
* fix test_core for passing, and correct start/stop/block_till_done
* Fix remote tests
* Fix tests: block_till_done
* Fix linting
* Fix more tests
* Fix final linting
* Fix remote test
* remove unnecessary import
* reduce sleep to avoid slowing down the tests excessively
* fix remaining tests to wait for non-threadsafe operations
* Add async_ doc strings for event loop / coroutine info
* Fix command line test to block for the right timeout
* Fix py3.4.2 loop var access
* Fix SERVICE_CALL_LIMIT being in effect for other tests
* Fix lint errors
* Fix lint error with proper placement
* Fix slave start to not start a timer
* Add asyncio compatible listeners.
* Increase min Python version to 3.4.2
* Move async backports to util
* Add backported async tests
* Fix linting
* Simplify Python version check
* Fix lint
* Remove unneeded try/except and queue listener appproriately.
* Fix tuple vs. list unorderable error on version compare.
* Fix version tests
