Function AstarUpdateChecker.CheckForUpdates
        
                CheckForUpdates
        
                ()
    
            
            Checks for updates if there was some time since last check.
                Private
                    Static
            
        bool CheckForUpdates ()
Checks for updates if there was some time since last check.
It must be called repeatedly to ensure that the result is processed.
Return
True if an update check is progressing (WWW request)