Rdflib

BNodes now created with a more unique identifier so BNodes
from different sessions do not collide.

Added initial support for XML Literals (for now they are
parsed into Literals).

Resource is no longer a special kind of URIRef.

Resource no longer looks at range to determine default return
type for __getitem__. Instead there is now a get(predicate, default)
method.

Fixed Literal's __eq__ method so that Literal('foo')=='foo' etc.

Fixed Resource's __setitem__ method so that it does not raise
a dictionary changed size while iterating exception.

Resource is now a special kind of URIRef

Resource's __getitem__ now looks at rdfs:range to determine
return type in default case.

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- Renamed package name to SPARQLWrapper.
- Added a basic catalog of exceptions.

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- Fixed some cosmetic things.

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- First stable release.
- Main functionality stabilized.
- Project moved to SourceForge.