only load php file when using scanPSR4()

Merge pull request #2 from naabster/master

do not return empty `Items` property

rename Schema to KobeSchema in some usecases due it may be conflicted…

… with Laravel or something

fix missing items property in Schema

Merge branch 'master' of github.com:AaronJan/Kobe

update composer.json

fix a namespace parsing issue

fix Composer autoload issue

Kobe is here