v0.10.0

Bug fixes

• [p2-longest] Fix longest-path layerer
• [p1-greedy] Properly initialize degree maps (fixes #9)

Enhancements

• Add option to control size of virtual nodes

Misc

• [graph] Change connected components routine to a method of DGraph
• [graph] Move graph Source and EdgeSlice to internal package and expose via alias
• Improve test coverage and simplify package import graph
• [geom] Delete unused Stack type
• [docs] Update greedy cycle breaker description in README to reflect actual behavior with autog.WithNonDeterministicGreedyCycleBreaker