Changes in 2024.04

[ankraft]

The following changes are in release 2024.04

New Features

• ACME finally gets a serious database binding. Form this release on resources and runtime data can be stored in a PostgreSQL database backend.
  TinyDB will still be supported for local file-based and in-memory deployments.

Improvements

• Updated the MQTT client and connection functions to the Paho 2.0 version.

Fixes

• Fixes for issues Fix according to issue #145 #146 and MQTT-Paho 2.0 breaking change bug #147
• Improved the handling of semantic queries' result serialization. The proper format (JSON or XML) is now used depending on the original request's content serialization. Also, corrected the handling of semantic request parameters. See PR Fixed error when issuing semantic queries #149.

Breaking Changes

• The configuration for database settings has been changed. It has been split into different sections for the different database bindings.