v1.3.9

fix php warning

v1.3.8

escape shortcode arguments before output

GPL 3.0 or later

v1.3.7

update changelog

update changelog

v1.3.6

update readme a little

minor improvements to code

remote branch is master

v1.3.5

use make for building assets

update plugin entry file in create-version.sh

bump tested wordpress version

update changelog

rebuild assets using vendored terser

remove es6 code from scripts

remove google plus as option since it has been shut down a looooong time ago