Instead of building a separate statically-linked binary, build
partially-static binary that only contains ncurses to avoid
compatibility issues in libc.

Related: #345

and allow using --header and --header-lines at the same time.

Close #346.

A la grep. Close #345

Close #338

Fixes Helptags! command from fzf.vim

Fix CTRL-T on fish to work asynchronously

Values for 'up' and 'down' can be written with ~ prefix. Only applies
when the source is a Vim list.

    e.g. { 'source': range(10), 'down': '~40%' }

Close #322

This reverts commit c601fc64.

Related #317

Close #317

Close #312

so that it doesn't corrupt file that doesn't end with a new line
character. Close #311.