0.3.0

• Adding merge flags to import methods.

0.2.0

• Adding #.hasNodeAttribute & #.hasEdgeAttribute.
• Adding #.removeNodeAttribute & #.removeEdgeAttribute.
• Adding #.mergeNode.
• Adding #.mergeEdge, #.mergeEdgeWithKey and friends.
• Renaming #.relatedNode to #.opposite.
• Dropping the onDuplicateNode & onDuplicateEdge options.

0.1.0

Initial version compliant to the specs.