Bugs fixed

Fixes #11: now uses PSR-4 autoloading and "target-dir" removed
Fixes #12: method "hasSemiColon" is now protected
Merge remote-tracking branch 'origin/master' into 3.0.x
Revert "Merge remote-tracking branch 'origin/master' into 3.0.x"

This reverts commit c69d9514a9e96ff9453c66e24ae7488f0a101897, reversing
changes made to 4ef1974c6d46e566d350df98c0a3f1c37a15cb99.
Merge pull request #13 from Spomky-Labs/3.0.x

Bugs fixed