v13.0.0

Changed

• Now using a 2-tiered changelog to avoid any bugs when using polyglot-release
• More refactoring of the repo by fixing up a bunch of manual rubocop offenses (See PR's for details)
  (#259 #262 #268 #274)
• In all Summary and Result classes, changed the strict argument into a keyword argument
  See upgrading notes for 13.0.0.md
  (#261)
• Permit usage of gherkin v27

Fixed

• Restore support for matching a scenario by its Feature, Background, and Rule line numbers (#247)

Removed

• Remove legacy unindent gem (Now no longer required since Ruby 2.3 and Squiggly heredocs) (#278)