multithreaded character loading
multithreaded character creation
multithreaded character deletion
multithreaded character update
test server delay
all app stages exit on main stage close
create/delete/update windows close in logout
better loginThread start
multithreaded fights & menu fight gestion
characters reloadings after fighting
test server interruption on stage close request
add socket timeout
Merge remote-tracking branch 'origin/dev'