api(SilverstripeFunctional) createPageHierarchy
api(SilverstripeFunctional) createPageHierarchy

Added new method to create a page hierarchy based on a slash separated string
of page names, with an optional bar (|) separated page type, eg

`$I->createPageHierarchy('MySite|Site/News/News Item');`

silverstripe-australia/silverstripe-ssautesting