Fixes
- Improve Kucoin API requests
- Improve the way buy and sell records are stored so we have less chance of missing them
- Fix rename config logic in BET GUI
- Fix STATS page not displaying graphs in some cases
- Fix Binance Futures date issue (attempt #4)
- Fix release of reserved balance should work even if coin is not listed anymore
- Fix take_profit_percentage should be disabled if set to 0
- Fix rounding problem for some coins when using SOX to sell partially.
- Small fixes