v0.4.0-beta

What's Changed

• Feature graph components by @evolp in #1
• Add performance optimizations by @evolp in #2
  • improve efficiency of node data storage
  • add multithreading in filter_kmers, DebruijnGraoph::to_dot and to_gfa
  • improve bucket splitting in filter_kmers
  • add new KmerSummarizers

Full Changelog: https://github.com/jlab/rust-debruijn/commits/v0.4.0-beta