1.8.7
* Fix issue causing multiple notifications to be dismissed at once
1.8:
* New bar chart showing number of repetitions performed each week, month or year
* Performing habits on irregular weekdays will no longer break your streak
* More colors to choose from (now 20 in total)
* Ability to customize how transparent the widgets are
* Ability to customize the first day of the week
* Yes/No buttons on notifications instead of just "Check"
* Automatic dark theme (Android 10)
* Smaller APK and backup files
