v6.3.4 [CRITICAL] - Flip Payout & Dupe Fixes

• Fix! Creating and joining games works again on 1.8.8–1.11.2 servers
• Fix! A refund from one bot game could pay out another player's bet a second time
• Fix! Starting a second flip while one was still rolling could swallow the bet
• Fix! A flip that was already refunded could still pay out when its animation ended
• Fix! Relogging during a flip no longer cancels it and burns the loser's bet
• Fix! Leaving mid-flip now pays your full winnings instead of only your bet back
• Fix! Winnings that fail to deposit are now saved in full for your next join
• Fix! Cancelling a coinflip right as you joined could refund it twice
• Fix! /cf reload during a flip now refunds online players right away
• Fix! Custom currencies handle comma-decimal servers and very large balances correctly
• Fix! A mistyped custom currency command no longer lets bets through for free
• Fix! Decimal Points and Tokens bets on older configs no longer take points without a game
• Fix! Earnings limits now apply to bot games and count real profit, not the whole payout
• Fix! Betting limits now apply to players who join a coinflip
• Fix! Turning off house.tax.enabled now actually removes tax from bot games
• Fix! Very large bets no longer get paid less than they should
• Fix! The update checker now actually tells you when a new version is out
• Fix! A player name containing a placeholder can no longer freeze the server