* Addition (https): Added OTP code support to authentication ([John Hollowell](https://github.com/jhollowe))
* Addition (https): Added support for large file uploads using requests_toolbelt module ([John Hollowell](https://github.com/jhollowe))
* Addition (all): Added support for Proxmox Mail Gateway (PMG) and Proxmox Backup Server (PBS) with parameter validation ([Gabriel Cardoso de Faria](https://github.com/gabrielcardoso21), [John Hollowell](https://github.com/jhollowe))
* Addition (all): Added detailed information to ResourceException ([mihailstoynov](https://github.com/mihailstoynov))
* Bugfix (base_ssh): Resolved issue with values containing spaces by encapsulating values in quotes ([mihailstoynov](https://github.com/mihailstoynov))
* Bugfix (all): Resolved issue with using get/post/push/delete on a base ProxmoxAPI object ([John Hollowell](https://github.com/jhollowe))
* Bugfix (all): Added support for responses which are not JSON ([John Hollowell](https://github.com/jhollowe))
* Improvement: Added and updated documentation ([Ananias Filho](https://github.com/ananiasfilho), [Thomas Baag](https://github.com/b2ag))
* Improvement: Tests are now not installed when using PIP ([Ville Skyttä](https://github.com/scop))
* Addition: Devcontainer definition now available to make development easier ([John Hollowell](https://github.com/jhollowe))