v1.4.3

What's Changed

• Improve pc tests by @yutanagano in #31
• Catch import errors for optional dependencies by @andim in #35
• Fix bug in pcDelta when setting maxseqs by @yutanagano in #38
• Update README.md by @yutanagano in #40
• Improve cdr levenshtein by @yutanagano in #39
• Update tcrdist names to capitalised form (TCRdist) by @yutanagano in #43
• Bump patch to v1.4.3 by @yutanagano in #44

Full Changelog: v1.4.2...v1.4.3