new_contents: """Calculate the number of Pomodori available within a time period.
  
  Usage:
    get-pomodori [--from=<time>] [--break=<minutes>] [--long-break=<minutes>] <end-time>
    get-pomodori (-h | --help | --version)
  
  Options:
    --version                   show program's version number and exit.
    -h, --help                  show this help message and exit.
    -f, --from=<time>           calculate available pomodori from this time [default: now].
    -b, --break=<minutes>       the amount of minutes between each pomodori [default: 5].
    -l, --long-break=<minutes>  the amount of mintues between every five pomodori [default: 15].
  """
  from docopt import docopt
  
  
  def main():
      docopt(__doc__, version='0.2')
  
  if __name__ == '__main__':
      main()
  
subject: Add initial version of the commandline tool