refactoring code
add yafolding-hide-all, fixes #7, fixes #8
update psc.png
skip blank lines, fixes #9
update README, fixes #4
fix typo, fixes #4
(overlay-put overlay 'invisible nil) when isearch
show blank lines at the end of block
Make yafolding customizable
Merge pull request #10 from urzhumskov/master

Make yafolding customizable
update keywords
Merge branch 'master' of https://github.com/zenozeng/yafolding.el
bump version to 0.1.4
Update README.md