lintech: finite machine startup
lintech: more classes
lintech: prompt added
lintech: buttons removed
lintech: handlers work properly
lintech: staticmethods assigned
lintech: connection closed by special class, more help for cmd, status info displayed
lintech: event loop implementation in progress
lintech: operator connects with separate thread
lintech: callback args removed
lintech: staticmethods require callback args
lintech: commands updated, state handlers check fixed
lintech: operator connection doubles sometimes