git-fame v1.9.0 stable

• suppress warnings by default (#22)
  • add --warn-binary
• add --sort hours|months
• add missing manpage
• update completions
• update framework
  • add setup.py[full,dev]
  • add snap(craft) (#19 -> #20)
  • automate release on travis (#21 -> #20)
    • GitHub
    • PyPI
    • docker (#19)
  • update keywords
  • fix author email
• update documentation
• update tests