Fixes the problem reported by @elemakil. For some reason unknown,
sometimes the escape sequences of arrow keys are prefixed by 27-79
instead of the ordinary 27-91.

`'fc' -l 1` generated an error message on bash

Feed all zsh history into fzf

e.g.
  Match region #1: [-----------]
  Match region #2:       [---]
  Match region #3:         [------]

- Make -0 and -1 work without -q
- Change exit status to 0 when exiting with -0