Support downloading NXT(ATS) data combined with KRX data(통합시세).

Change package management tool from setup.py to pyproject.toml with PDM.
Change logics for handling EXCEPTIONAL_DATES.

3.6 -> 3.8 <= Python Requirement < 3.11

Add SAT(Korea) schedules on '24 to EXCEPTIONAL_DATES in config.history
Alphanote Beta Released! (https://alphanote.io)

Add a direct access to Bot methods from Server instance.
Tutorial 5. TR Data.py is updated. (server.balance())

1.3.2 Add type hint to Server class for linting.
1.3.3 Add an error code -211, '계좌조회과부하'.

Add type hint to self.api of 'Server' class for linting.

1.3.0 Fix critical bugs in API(send_order_fo) & preps, and add methods for shared data. Add a tutorial for trading.
1.3.1 Resolve a conflict caused by versioning in pypi. Skip version 1.3.0.

Handle floating volume, starting from 22.09.26 by kiwoom.

Bug fix for dealing High Yield Funds.

Add SAT(Korea) schedules on '21, 22, 23 to EXCEPTIONAL_DATES in config.history