SeqKit v0.5.5

Changelog

• Increasing speed of reading .gz file by utilizing gzip (1.3X),
  it would be much faster if you installed pigz (2X).
• Fixing colorful output in Windows
• seqkit locate: add flag --gtf and --bed to output GTF/BED6 format,
  so the result can be used in seqkit subseq.
• seqkit subseq: fix bug of --bed, add checking coordinate.