 * Added a "Useful links" section: Go to settings -> useful links
 * The app now restores alarms for imported data
 * In the data part, you can now see the number of days between the oldest and the most recent entry
 * Redesign of the button to end a session
 * You can create a session from the widget
 * Clicking on the widget redirects to the current session if there is one
 * Removed the '> 1 day' mention. The number of hours is displayed instead
 * Bug fixes
