Remove the ConfigParser from ChrandrConfig fields, and rename variable.
Implement the status feature.
Load status file, save it, select the active configuration in UI
Also, add comments.
Change the status filename.
Correct a comment.
Add comment about ConfigParser who remove comments when writing files.
Correct a potentially bug
Correct the 'prefer' method for using the config class.
Save the applied prefer as active.
In configuration save, if no preferred configuration, add an empty one in the file.