v1.4.3

Additions

• Admins now appear first in the list of users by @jzimdars & @ashwin47

Fixes

• Messages with mentions rendering as errors sometimes by @monorkin
• Race condition during initial account creation that allowed two admins to get created by @flavorjones
• Removing a ban is now properly labeled instead of showing up as "Ban" by @ashwin47
• Non-admins being unable to change their room involvement by @mphalliday