fix shell escape for rc (thanks shurizzle)
os_plan9: remove busy loop (thanks shurizzle)
fix vim crashing when plumber is not running
prevent crash when receiving plumb event
change cursor to a plain rectangle
change keyword behaviour to handle man pages
switch to 256 colours (and gruvbox color scheme)
README: document enhancements and issues
fix mouse dragging + handle middle and right mouse clicks
change runtime path to /sys/lib instead of current directory