Ensure expanded frame is properly traversed for @list.
Do not add subject-references at top-level.
Bump version, fix docs, add produceGeneralizedRdf option.
Add default base option.
Exclude blank node predicates unless producing generalized RDF.
Do not produce generalized RDF when normalizing.
Add $options param.
Add support for partial lists.
Do not include (data)types in node map.
Fix type, check for datatype.
Add travis-ci support.