** 0.1.x

0.1.1.0 --> 0.1.2.0

• More unit tests for completeGraph variants
• More unit tests for regular graphs
• New regular graphs: starGraph, wheelGraph, nullGraph
• Rename lineGraph to pathGraph (incorrect naming)
• Add notes about preconditions
• Add correct copyright declarations
• Fix several doc formatting issues

0.1.0.0 --> 0.1.1.0

• Rename Data.Graph.Generators.Simple to Data.Graph.Generators.Regular
• Add lineGraph