Use fcntl() instead of dup2()
Update keybindings in README.md.
Add --color-scheme option to terminols.
Added spinner util.
Viewport-relative damage.
More work towards a sane damage model.
Server cleanups, including throw spec fix of constructor.
Switch sense of STATS and STATS2 around.
Event model overhaul: use epoll (select() implementation also exists).
Added Tty::flood() for testing of deferred writes.
Remove notion of buffer the write spillover from Tty.
Remove notion of select-for-write from Selector classes.