v2.2.0

Overview:
This release introduces version 2.2.0 of the Digiseller API Python library.
The library provides convenient access to the Digiseller API, allowing users to interact with the Digiseller platform directly from Python.

What's New in v2.2.0:

• Added all missing API methods from the "Operations"
• Fixing bugs and adding checks
• Updating the description

Full Changelog: v2.1.0...v2.2.0