Rename arguments to 'workspace' and 'move-to-workspace' commands:
'prev'->'prev_on_output', 'next'->'next_on_output'.
Restrict 'workspace' and 'move-to-workspace' commands to current output.
New options --cols-min-width, --with-ws-cmd.
New i3 workspace buttons protocol program, papersway-ws-cmd.
Say to set 'default_orientation' to 'horizontal' in one's Sway/i3 config.
i3 compat: Ensure that hiding containers doesn't change which workspace
'workspace back_and_forth' will switch to.i3 compat: Fix moving hidden containers to a fresh workspace on restart.
Fix switching to the last focused workspace when it has fallen empty.
Improve burying workspaces & columns with multiple outputs.