query options on where (#79)
transfer any other option to attribute settings
remove pry binding
not query for ?class in each load operation
OPTIONAL load attrs in .where (close #52)
alias option for attribute names
getting rid of stack call for every set attributef for performance.
Node values for getters
half way to have compatible rdf object/ruby objects.
compatible RDF node objects with ruby objects
test changes to combine obj/RDFNode testing
XSD type in search for literal values
to_turtle in hashed search
load all defined attributes in .where/.all with :load_attrs => :defined
avoid updating unique attributes if same values.
carry over modified flag over multiple attribute modification