Finalised CIndividual and COrganisation.
Moved base ISO definitions to default standards in order to access ISO enumerations in default tags.
Working on CFAOInstitute.
Need to define exactly how type and schema structures work: the schema holds a reference to a tag, but it doesn't have a reference to the node that contains the enumerations. Maybe the node should hold both the reference to the tag and the reference to the type node? Must see how enumerations are retrieved by services...