confdefaults.py: Add new generic Config object with helper methods. Make ConfigWithDefaults extend Config.
confdefaults.py: Add new generic Config object with helper methods. Make ConfigWithDefaults extend Config.

rosedu/vmchecker,rosedu/vmchecker,rosedu/vmchecker,rosedu/vmchecker,calin-iorgulescu/vmchecker,calin-iorgulescu/vmchecker,calin-iorgulescu/vmchecker,calin-iorgulescu/vmchecker,rosedu/vmchecker,calin-iorgulescu/vmchecker,rosedu/vmchecker,calin-iorgulescu/vmchecker