Version 0.6.27.1 Beta 6 released

Add a method in the Module class allowing to know if there is a module subscriber in the framework for a service
Add the capability to add property arrays in property array groups
Jena: Add a "requestInfo" provided service allowing the module to send the received request
Jena: Add a property to set the default namespace for a schema
Jena: Add a property to set additional namespaces for a schema
Jena: Add new methods in the SPARQL request framework to set the prefix of a property construct