fix a netcode deadlock, add a "copy sixel" menu

readme update, steal olive's polling logic

threaded netcode

small fixes and reorg

colorized sixels

sixels in motd

mentions

sixel menu improvements, MOTD

NANOOOOOOO

various things, sixel picker

implement STAT, allow unclosed sixels

see the sixels

sixels!

scrollbackup

various improvements

new client!