Release 1.4.0

— Added convenience methods to :code:...Object objects (e.g. see :code:ResourceObject in docs)
— 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 :code:upload() now return ResourceLinkObject
— Returned LinkObject instances have been replaced by more specific subclasses
— ConnectionError now also triggers a retry
— Added support for async files for download() and upload()
— Use aiofiles to open files by default