added library dnasysgencore
added Core::NamedFragment
added class Model::MetaModelFragment
added class Model::DataType
added Model::Domain
added class Core::DomainFragment
added class Model::DomainObject
added class Model::DomainObject
added class Model::DomainObjectFragment and test for Model::Domain
added Model::DomainObjectProperty
added Model::ValueDomainObjectProperty
added class Model::SystemDomainObjectProperty
added Model::KeyDomainObjectProperty and Model::VersionDomainObjectProperty
added Model::ModificationDomainObjectProperty
added Model::ModificatorDomainObjectProperty
added Model::IsDeletedDomainObjectProperty
added Model::UserDomainObjectProperty
added class Model::ValueUserDomainObjectProperty
Model::NameDomainObjectProperty
added class Model::DescriptionDomainObjectProperty