Changed node filtering
Change Visiblity.isVisible to return false for system nodes
Removed todo from User
Added Portal.createSite
Removed localized support for displayName and description from Site and Page as it is not supported internally
Moved Parameters to internal
Minor JavaDoc changes in Portal. Changed Attributes to support internal Properties
Added PortalRequest.getURIResolver
Made Parameters constructor private
Added more JavaDoc
Added even more JavaDoc
And yet some more JavaDoc
Improved Attributes by only allowing creation of keys with valid types
added test for Visiblity + fixed a problem in PublicationDate
added tests for Membership
added more JavaDoc to NodePath + a test for NodePath
Fixed serialization of page and site