It seems that nokogiri '1.5.6' from '1.5.5' breaks the way we access attributes in XML elements. With '1.5.5' we can access an attribute like a hash value 'e.g element[:attribute]'. This doesn't work in '1.5.6'
Updated the tests regarding our properties model
Updated our resource and properties model such that it passes all the tests. We now support Time objects serialization and '<<' method in non-functional properties
Introducing a first version of the am_liaison