Test all modules.
    
    Fix arguments.
    
    Fix arguments.
    
    Clean installation.
    
    Some fix.
    
    Improve logging and ux.
    
    Improve logging and ux.
    
    Enhance features.
    
    Fix typo.
    
    Fix typo.
    
    Fix name.
    
    Fix prec.
    
    Fix prec.
    
    Fix log.
    
    Fix listing profiles.
    
    Fix cache cleaning.
    
    Fix cache cleaning.
    
    Add sleep.
    
    Add sleep.
    
    Add sleep.
    
    Add sleep.
    
    Add sleep.
    
    Remove sleep and add arguments.
    
    Fix installroot.
    
    Fix installroot.
    
    Fix variables.
    
    Fix variables.
    
    Fix variables.
    
    Add comments to explain the code.
    
    Add some logging.