IRCv3 Support

[linuxdaemon]

• Capability negotiation v3.1
  • Basic negotiation with CAP LS, REQ, ACK, NAK, and END
  • Handle CAP LIST
• Capability negotiation v3.2
  • Support CAP values
  • Handle new CAPs from CAP NEW and send appropriate CAP REQs
  • Update cap list on receipt of a CAP DEL
• Core Message Tag spec
  • Message Tag support in core parser
• account-notify
  No core support required
• account-tag
  No core support required
• extended-join
  No core support required
• away-notify
  No core support required
• batch handling
  Possibly a core handler which collects batches and handles them specially for efficiency
• chghost
  No core support required
• echo-message
• invite-notify
  No core support required
• MONITOR
  No core support required
• multi-prefix
  No core support required
• SASL Authentication
  • v3.1
  • v3.2
  • Mechanisms:
    • PLAIN
    • EXTERNAL
• server-time
  No core support required
• STARTTLS (Moved to STARTTLS support in the core #2)
• userhost-in-names
  No core support required