fixed wrong substitution
changed default rate limit
Added option --pause
Changed logs format
Get program name with `basename`
Added info message with time elapsed until domain changed state
minor refactoring
Changed log message
Changed default niceness
Changed default pause method
Changed default rate limit
Added log message
Added option --verbose
Added device name in progress bar
Added option --quiet
reworded log message
Changed log messages format
Reworded some log messages
Do not redefine variable PATH