`CLASSES` constant removed - path to classes is used only in class autoloader and doesn't expected to be changed.
`TRAITS` constant removed - path to traits is used only in class autoloader and doesn't expected to be changed.
`THIRDPARTY` constant removed - path to third party classes and libraries doesn't expected to be changed.
`CONFIG` constant removed, it is used only in `cs\Core` class and path to config file doesn't expected to be changed.