Added screenshot sharing between players
Server can now kick players
Server no longer allows duplicate player names
Added client timeout disconnect to Server
Improved responsiveness of sharing screenshots
Increased default screenshot interval
Fixed server not updating a client's screenshot watch target properly
Greatly reduced CPU usage of client and server
Server UPNP port-forwarding is disabled by default
Improved server cleanup of disconnected clients
Fixed server not passing screenshots when the sending player isn't watching anyone
Fixed server handling screenshots from players before they handshake
Some GUI cleanup in plugin