Sayn

Fixes

- Fixes to bigquery introspection

New

- Task groups can be generated from automatically from a path specification
- Task dependencies can be set in code using src and out macros without YAML
- Simpler pattern for creating python tasks based on decorators

Changed

- BigQuery driver upgraded to sqlalchemy-bigquery 1.3.0, deprecating pybigquery

Fixed

- Fixes to incremental autosql tasks in BigQuery
- Fixes to credentials_path property for BigQuery credentials

Changed

- Enables installation on Python 3.10

Fixed

- Fixes colour of last message in SAYN cli

Fixed
* Allow max_merge_rows with append copy tasks

Changed
* Adds append only mode for copy tasks

Fixed

* Make parameter and credential names case lowercase allowing environment variables on Windows
* Bigquery support for changing autosql models between views and tables
* Better error messages when additional properties are specified in a task definition

Fixed

- Fixes issue with NaN values when loading to Snowflake