- [FIX] Now the user's subclusters can be really added and removed
- [IMPROVE] Moved the default_nfs_options option to the config file
- [IMPROVE] Moved the default_subcluster_description option to the config file
- [IMPROVE] Added the methods comment, where missing
- [FIX] Fixed the move_rpi method (it is a wrapper for the add_rpi method)