* Lost games now logged in losers.jsonl, viewable in the game, not shared
* The new 'L' command shows all local wins and losses, most recent first
* Use the CP437 "F with a hook" character for flag indicator
* Added support for an uncertain (?) block marker
* Multiple block-selector styles available, use Ctrl-S to cycle through
* TAB key toggles the area-highlight feature
* Center the game board vertifically in the terminal
* Blink the clock red when there are 5 minutes or less of time left
* (R)eveal command changed to (D)ig, it is a mine *field* after-all! :-0
* Disable more global hot keys while in the game: Ctrl-K/O/Z
* Save/restore user preferences for difficulty level, highlight, and selector
* Support for "Chording" a time-saving move that can be used to uncover all
  covered/unflagged blocks surrounding a previously-uncovered block with the
  correct number of flagged blocks surrounding it. Via the 'C' key.
* Don't prompt for difficulty level when first running the game.