* Added dark theme.

0.4.9:

* Fixed a rare crash.

0.4.8:

* Add support for Direct Boot. Migration on first start may take some time.
* Configurable number of calls on the main screen.
* Other fixes and improvements.

0.4.7:

* Added a button to add a review (via a web browser).
* Other improvements.

0.4.6:

* Added "advanced call blocking mode".
* Fixed initial DB downloading in some circumstances.
* Minor fixes.
