- A deleted cache-key would delete a merged cache-key as well
- Deleting a key in the Model results in reloading the config to assure any value from underlying files
- Delete now really overwrites static default/setting.config.php keys
- Delete now really overwrites static default/setting.config.php categories
- The Update::check() routine is added to different places
- Merge the given config file with the new config before writing
- Remove ConfigTransaction::get() because it's no more reliable
- Move $_SERVER into ConfigFileManager constructor
- Rename "creatConfigFileLoader" to "createConfigFileManager"
- Rename variable "loader" to "manager" in all tests