2dce74e26d
- Updated IB fee model to support option exercise - Added support for splits for options. Not tested on real data yet. - Added option exercise functionality for long positions. Unit Tests. Not tested on real data yet. - Added option assignment functionality for short positions. Assignment event. Unit Tests. - Added basic option assignment simulator for backtesting brokerage. Simulates assignments for deep ITM short positions close to expiration. Unit Tests.