Close #807

Related #807

Close #805

Close #781

0.16.0

Close #802

Ref #790

Later versions of Vim/Nvim handle `:edit <dir>` inside try-catch.

https://github.com/vim/vim/commit/e13b9afe1283f5ae43232b5992372a0eb570666c
https://github.com/vim/vim/pull/1375

Close #799

Close #798

Excerpt from http://www.tldp.org/HOWTO/Bash-Prompt-HOWTO/x361.html:

> - Save cursor position:
>   \033[s
> - Restore cursor position:
>   \033[u
>
> The latter two codes are NOT honoured by many terminal emulators. The
> only ones that I'm aware of that do are xterm and nxterm - even though
> the majority of terminal emulators are based on xterm code. As far as
> I can tell, rxvt, kvt, xiterm, and Eterm do not support them. They are
> supported on the console.

They are also unsupported by Neovim terminal.

Fix line wrapping in preview window

Close #790

Close #791

- Use noshellslash for strict path expansion in fzf#run and s:cmd
  (shellescape depends on shellslash)
- Double-quote the fzf command for cmd.exe
- Add fzf#shellescape to encapsulate the logic
- Close #786