* Added convenience methods to `...Object` objects (e.g. see `ResourceObject`)
* Added type hints
* Improved error checking and response validation
* Added `InvalidResponseError`, `PayloadTooLargeError`, `UploadTrafficLimitExceededError`
* Added a few missing fields to `DiskInfoObject` and `SystemFoldersObject`
* Added `rename()`, `upload_by_link()` and `download_by_link()` methods
* Added `default_args` field for `YaDisk` object
* `download()` and `upload()` now return `ResourceLinkObject`
* Returned `LinkObject` instances have been replaced by more specific subclasses
* :any:`ConnectionError` now also triggers a retry