bump version

bump to version 0.2.1

bump to version 0.2.0

bump to version 0.1.15

bump to version 0.1.14

added unit tests for expressions classes (phparkitect#146)

get version with phar file (phparkitect#130)

removed version from output cli command (phparkitect#123)

* added version into composer.json file

change box.json configuration (phparkitect#118)

* change box.json configuration

ok I am a liar, just trying some random stuff