v1.0.0

• Breaking changes
  • Changed send_mail function signature to take subject as first and
    only mandatory parameter.
  • plain-text message must be passed in message and html in html_message
  • logger is no longer created within the send_mail but instead if passed
    as a keyword paramter. In it's absence messages are not logged
• Improve module documentation
• Require at least one destination address
• GH changes
  • Add gh-pages based on docs/ dir: https://dareenzo.github.io/send_mail/
  • Add badges madness