Octobot

Fixed
- [StrategyOptimizer] typing issue

Fixed
- [Exchanges] issues in OctoBot exchange data parsing

Fixed
- [Exchanges] issues in OctoBot exchange data parsing and exchange disabling

Added
- [Channel] OctoBot channel
- [Backtesting] Multiple backtesting file support

Fixed
- Multiple issues in OctoBot required packages

Added
- [Backtesting] Synchronized channel support

Updated
- [Tests] strategy and TA framework
- [Tests] trading mode framework migration
- [Interfaces & Notifications] Migration follow up
- [Backtesting] Only one instance is created

Fixed
- [Tests] Stress test timeout
- [Startup] Fix api calls

Updated
- [Start] Import ConfigEvaluatorError from OctoBot-Commons

Fixed
- [Stop] recursion error
- octobot_api cython headers