Cleaned up API
Renamed Global -> GlobalProperties
Removed not used RandomAccessable interfaces.
Moved two interfaces into object.* subpackage.
Updated comments.
Rename Global -> GlobalProperties.
Comments
Update to new API.
Initial refactoring from VRI and VRL to generic URIFactory.
Updated to new PTK api.
Update to new PTK Api.
Update to new PTK Api. 
Moved some legacy code back to vlet utils.