Changelog for 0.3.5-beta

Released date : May 29 2019

Concerned issues / pull request:

#894 [GlobalUpdater] does not update timeframes normally when notified by RT
#896 [Web interface] display of very small numbers digits
#899 [Simulator] freeze on staggered orders simulation
#901 [Bug] Candle lost with websocket
#904 [asyncio] optimize async handling
#908 [Time frame updater] desync between symbols update time

Bug fixes :

- Fixed digit display in web interface configuration
- Fixed timeframe refresh timings