Fixed adding apps to the list of exclusions.

Made universal for Apple silicon and Intel Macs. Fixed slight cropping of menu bar icon. Updated contact info and PayPal link.

Fixes showing the icon when starting from Login items.

Improves display of digital clock. Uses system setting for 12 or 24 hour clock. Adds a status menu to the menubar to easily access Focus' preferences.

Fixes a crash on macOS Mojave. Preferences are displayed correctly when choosing from the context menu.