Allow clients to use different ports
Fix out of range error when all players leave

Last player was being marked as winner by default, but then winner id
wasn't cleared when they left.
Don't let game peel after someone wins
Refactor ack reset code
Remove dedicated_server on clean
Nicer opt parsing/messages. Remove old TODOs
Calculate starting letters from bunch size.

Standard bananagrams starting count brackets based on player count
scaled up/down by bunch multiplier.