Tested in search and list methods, scoreText shows ' Rated 4.3 stars out of five stars ' instead of 4.3

Right now when the user logs out, the Decks widget looses access to the list of decks, making Firebase trigger permission denied events. This results in issue churn:

• https://sentry.io/share/issue/c903ffaafb1d4f09903b614cfc6bdba5/
• https://sentry.io/share/issue/e687924953344d13960ac45ba0794877/
• https://sentry.io/share/issue/a69efe18a23945cbb5cbfe3bf7072340/

We should not receive except

App randomly crashes after 5 to 15 removed apps.
S8 Oreo, Swift Installer
Log file: 2018-07-03-00-22-40.txt

One thing that playup had which apkup doesn't have is automated tests. apkup should have automated tests too.

I've never written unit tests before. This might be a good project for me to start writing tests for but feel free to contribute tests as well.

W/CornerTreatment: CornerTreatments should override withSize() to return an instance of their class