Simple, but may be useful and it's 0 processing

To use it it's simple:
- players.room[name]
- players.alive[name]
- players.dead[name]

It's also hashed with numeric indexes, so table.concat(players.room, ", ") should work.

There's also an index _count to avoid the use of #

https://github.com/Lautenschlager-id/Transformice/blob/master/Others/Player%20Flow%20(performatic).lua

Thanks bolo !

Important fix added