Fixed uncaught exceptions in Client and Server
Added additional filestream close statements to client in case of exceptions
Fixed vessels orbiting the Sun causing plugin to stop working
Fixed update handling errors causing in.txt to get "stuck"
Server will now close connections that do not handshake successfully
Server no longer sends or receives text/plugin messages from clients before they handshake
Removed incorrect console message in client
Fixed client chat input getting interrupted by incoming messages
Added an GUI display to plugin that lists other active players/ships