Release 1.1.4

* Use Literal#humanize for text content in output, rather than gem-specific date/time format.
* requires RDF.rb 1.1.6.
Don't reference count statement subjects, only objects. This helps determine propery embedding.
Make sure that Writer#get_curie always returns a string.
Version 1.1.4.1.
Release 1.1.4.1.

* Don't reference count statement subjects, only objects. This helps determine propery embedding.
* Make sure that Writer#get_curie always returns a string.