Commit Briefs
improve crash detection
Create a file ~/.telescope/crashed on startup and unlink it on shutdown. If it's present on startup, it means that last time we crashed. It's like the ``dirty'' bit on filesystems to guard for unproper unmounts.
change only the title, not the icon too
ESC]0;stringBEL -- Set icon name and window title to string ESC]1;stringBEL -- Set icon name to string ESC]2;stringBEL -- Set window title to string via https://tldp.org/HOWTO/Xterm-Title-3.html