fix #91

fix fzf_use_main_selection on multi-line

If your `kak_selection` has multiple lines and `fzf_use_main_selection` is true, then the preview window would not even show up. This fixes that error.

New stable release.

Includes bug fixes.

fix fish #49

fix readme #51

fzf.kak version 1.0.0

exposed support of different terminals via `terminal' command #40
fixed VCS modules not respecting current pwd #42
rewritten main fzf function #43
*grep* buffer is now populated with extra items #44
plugin files now can be loaded in any order #45

support skim #36

interactive search with grep and skim #39
split buffers #31

fzf.kak v0.2.0 release

Refactored code to be lot simpler.
Each fzf command was split to separate module

fzf.kak v0.1.3-1

Bugfix release.

Fixed #15 - broken support of X11 for kitty and alacritty

fzf.kak v0.1.3

This is regular update of fzf.kak that brings new features:
- Preview in fzf window, with code highlighting;
- Configurable tmux split height;
- Intellectual detection of used VCS;
- New submode for using specified VCS commands.

Some code refactoring was done:
- preview settings were moved to fzf command itself;
- tmux height now uses percents;
- some simplification to the code, although there are more to do.

fzf.kak v0.1.2

This is general update of fzf.kak, that fixes bugs and adds new
supported search tool:

Bugs:
    Fix #6
    Fix #4
New tool:
    fd