$ changelog initialize
changelog: Main: ERROR: The following options are required: [--ticket-system-name], [--ticket-system-uri], [--project]

$ changelog initialize \
  --ticket-system-name com.github.io7m.example \
  --ticket-system-uri https://www.github.com/io7m/example/issues/ \
  --project com.io7m.example

$ changelog initialize \
  --ticket-system-name com.github.io7m.example \
  --ticket-system-uri https://www.github.com/io7m/example/issues/ \
  --project com.io7m.example
changelog: CLCommandInitialize: ERROR: File README-CHANGES.xml already exists
