Changelog for 0.2.4-beta

Released date : December 30 2018

Concerned issues :

#433 [Style] Fix code errors 
#446 added real trader resync on InsufficientFunds 
#448 added refresh_real_trader telegram command  
#450 fixed services startup config check 
#456 Implement docker configuration persistence 
#457 improved data collector and market view select UX
#461 fixed generic card bug with space containing names 
#474 Implement exchange market status fixer 
#475 removed trailing new line 
#477 added stack trace print on all relevant exceptions
#483 fixed multiple addition in classes list
#486 Refactor Trade class 

New features :

- Docker image ready
- Forced refresh telegram command
- Exchange market status fixer
- Update python version to python 3.7.2

Bug fixes :

- Fixed trading marge colors 
- Fixed binance api new version
- Fixed config load erasing bug
- Web minor fixes