TODO

   1 PROBABLY WON'T FIX:
   2 Embedded rules language not updated when language is set (in Analyse, Game and Problems)
   3 If new live game starts in background, "new game" notify OK but not first move.
   4
   5 NEW VARIANTS, Non-chess ( won't add draughts: https://lidraughts.org/ )
   6 Gomoku, Konane
   7 Fanorona https://fr.wikipedia.org/wiki/Fanorona
   8 Yoté https://fr.wikipedia.org/wiki/Yot%C3%A9 http://www.zillionsofgames.com/cgi-bin/zilligames/submissions.cgi/92187?do=show;id=960