I'm currently setting up the UI for the message system. The main part is almost finished, next I'll do the email inbox section.
Tabs currently work as intended:
Still need to fix: Send message on pressing enter (instead of the button all the time), make an event fire on message send that the event code can link into, invisible draggable elements still block mouse interaction for some reason (you get this with gizmo too), add system for setting icon to sim head icon...