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=head2 Version 0.3		

	o Initial development release (first release that indexed correctly on CPAN)

=head2 Version 0.4

	o Added input/output methods for Pajek (NET) format files
	o Lots of incompatible changes.
	o Changed references to edge attribute labels to consistently use: sourceID, targetID, and weight.  
	o In the farthestNode and shortestPath methods, changed origin and destination to originID and destinationID as the starting and endpoint node ID values.
	o Changed the node, edge, removeEdge, adjacent, and edgeExists methods to use hash references as parameters.  Get version of node method returns hash reference.
		> Thought is that using hash references as parameters will better support future addition of graph, node, and edge attributes.
	o Changed the farthestNode and shortestPath methods to input the node ID value(s) in the solution hash reference parameter as "originID" and "destinationID".
	o Changed the solution hash reference returned by the farthestNode, shortestPath methods to use sourceID, targetID, and weight as hash attributes replacing source, target, and cost
	o Added two graph level attributes: label and creator.  Attributes are input / output from / to files as supported by that format.
	o Updated new method to accept an optional parameter hash (reference) with graph attributes
	o Added graph method to update (set) or return (get) graph attributes.
	o In files produced by the outputGraphto[file format] methods (exlcuding CSV files), added a comment "Generated by Graph::Dijkstra on [localtime string]".  In JSON, comment is a "metadata" attribute of the Graph object.
	o Validated that JSON text created by outputGraphtoJSON conforms to the JSON Graph Specification schema. 
	o Always bug fixes.