Constantize: change ';' into constant RS as RootSeparator
Constantize: change ';' into constant RS as ROOT_SEPARATOR
Merge branch 'RootSeparator' of github.com:1e1/Core into RootSeparator

Conflicts:
	Core.php
Constantize: change ';' into constant RS as ROOT_SEPARATOR
PATH_SEPARATOR, alias PS
PATH_SEPARATOR, alias PS