* Class mapping based on rdf:type in session (demo: [1])
* Query builder allows min, max, avg aggregate functions
* get_by() accepts Resource instances as values, uses their subjects
* ResultValue supports "in" (if some_person in
person.foaf_knows: ...)
* "single" descriptor for easy access to attributes with single value
* Fixed multiple bugs in sesame2 plugin
* Default namespace can be specified for autogenerated resource URIs
Get it by running "easy_install -U surf"
[1] http://cuu508.wordpress.com/2009/12/17/extending-surf-resource-classes/