termios sets the stdin terminal to raw

make sure to use read/write syscalls, these are non blocking, and will not mess
up the output of things.

now all line discipline is handled by the pty


-------------------------------=[Controlling TTY]=------------------------------
Forked bash process makes itself a session leader, then sets the pty as the
controlling tty

It now acts as a bash
----------------------------------=[Resizeing]=---------------------------------
SIGWINCH hook, very simple

-----------------------------------=[Testing]=----------------------------------
fg/bg ctrl-c ctrl-z all works

cmus, bcmus, all work
vitetris
telnet star wars

pageup/down doesn't work when im is on
vim starts in vreplace mode for some reason

-------------------------------=[Useful Commands]=------------------------------
ps l
tty
infocmp