The default non-validating reader instance, created from NonvalidatingReaderBase() with no constructor arguments.
Uses the default InputSource factory. If you need to change it,
reassign the inputSourceFactory attribute, or, preferably, just
create a new NonvalidatingReaderBase instance.
VERSA_NS = 'http://rdfinference.org/versa/0/2/'
str(object) -> string
Return a nice string representation of the object.
If the argument is a string, the return value is the same object.