20190216 - v1.5.2

1. Be aware of all arguments in fzf completion.
2. Update doc.

20190215 - v1.5.1

1. (Fish Shell): Don't echo $PWD if cd failed.
2. New dir stack by: z -, z -- and z -{num}.
3. (Windows cmd): output a newline after finish

Classic Stable

This is a classic stable release.