1.8.0

Features:

• New configuration options to control various behavior: link_names, parse, unfurl_links, and unfurl_media. See the README for details.
• New events: slack_reaction_added and slack_reaction_removed.
• Incoming messages now include the Slack message timestamp in an extensions hash: message.extensions[:slack][:timestamp].
• The adapter now provides an implementation for Lita::Robot#roster.
• The adapter now provides an implementation for Lita::Robot#mention_format.

Improvements:

• Attachments use fallback text if normal text is not available.
• Increased verbosity of error messages for better debugging.

Bug fixes:

• Messages from other bots and integrations no longer trigger Lita handlers.
• Eliminated possible cases where Lita would receive messages from itself.