Qteasy

- Added new built-in strategies: `ATR` and `OBV`, with docstrings

What's Changed
* Qt built in update to next version by shepherdpp in https://github.com/shepherdpp/qteasy/pull/170


**Full Changelog**: https://github.com/shepherdpp/qteasy/compare/1.2.14...1.2.15

- Updated Built-in Strategy AD and ADOSC, corrected mistakes, added docstring and optimized realization

What's Changed
* Qt bug fix, update to version 1.2.14 by shepherdpp in https://github.com/shepherdpp/qteasy/pull/169


**Full Changelog**: https://github.com/shepherdpp/qteasy/compare/1.2.13...1.2.14

- Changed function qt.built_ins(), now it always return a dict of id and type of built-in strategies, and if incorrect strategy id is given as argument, it returns all fuzzy matched strategy ids
- Changed function qt.built_in_list() and qt.built_in_strategies(), now they return list of strategy ids and strategy types, respectively; and return fuzzy matched strategy ids for incorrect strategy id given as argument
- Added new function qt.built_in_doc(), to return the docstring of a built-in strategy

What's Changed
* Qt built in entry improvement by shepherdpp in https://github.com/shepherdpp/qteasy/pull/168


**Full Changelog**: https://github.com/shepherdpp/qteasy/compare/1.2.12...1.2.13

- Fixed a bug, now cash gained by selling stocks can be delivered immediately to update available cash amount.
- Fixed a bug, now unfilled orders can be correctly canceled after each trading day
- Fixed a bug that might lead to failure of getting table information in Windows environment

What's Changed
* Qt bug fixes - v1.2.12 by shepherdpp in https://github.com/shepherdpp/qteasy/pull/166


**Full Changelog**: https://github.com/shepherdpp/qteasy/compare/1.2.11...1.2.12

- Fall back to default data source type if mysql connection fails
- Fixed a bug in tui watch list management

- Now symbols can be added to or removed from the watch list in the live trader TUI, with two added short cuts: ctrl+a to add and ctrl+r to remove
- Dialogs are now added to the live trader TUI to accept user inputs for adding symbols to the watch list, as well confirming to quit the App
- Slightly adjusted the appearance of live trader TUI

What's Changed
* Qt dev tui by shepherdpp in https://github.com/shepherdpp/qteasy/pull/162


**Full Changelog**: https://github.com/shepherdpp/qteasy/compare/1.2.9...1.2.10