- Rewrites ConfigManager
- Adds DataTypes
- Changes "auth" and "logging" to use new AuthType and LogType types.
- ConfigManager now handles all config loading
- Remove AreaData and Server config.ini and command config loading.
This is so that tests can use the logic without having to call in main as well.
Furthermore, this way, Qt actually recognises it as a library, and makes it easier to import to tests.
