Matterircd v0.3

Only works with mattermost 1.4.0+
Use matterircd v0.2 for older mattermost releases.

Bug fixes

• Add basic MODE support (fixes irssi channel syncing)
• Fix WHOIS idle time
• Various crashes
• Update compatibility with mattermost API changes

New features:

• Add scrollback support (e.g. /msg mattermost SCROLLBACK #bugs 10) show last 10 lines from #bugs
• /TOPIC support added
• Add -mminsecure option to use insecure connections (http instead of https)