Beta - 0.3.7

Changelog for 0.3.7-beta

Released date : August 31 2019

Warning: config.json file has been moved to the user folder

Concerned issues / pull request:

#948 [Trading] Add 6h timeframe
#949 [Config] Migrate config file to user folder enhancement
#952 [Trader] Fix kraken orders
#953 [Docker] Improve dockerfile
#955 [Backtesting] Improve recent trades generation
#960 [Backtesting] Use the last candle for profitability computation
#962 [Portfolio] Missing stablecoins in traded portfolio
#964 [Backtesting][DipAnalyser] try to create sell order without enough funds
#968 [Web interface] Handle errors 
#969 [Web interface] Add refresh real trader button

Bug fixes :

- Fixed errors when creating orders on Kraken exchange
- Fixed innacuracies in backtesting
- Now correctly takes every currency into consideration when computing profitability and holdings
- Fixed backtesting exchange simulator inconsistencies

New features :

- Added refresh real trader button similar to /refresh_real_trader telegram command in web interface
- Added error handling pages in web interface 
- Can now handle 6 hours timeframes
- Optimized Dockerfile