Maintenance version for 2.2.3

Fixes

  • fixed the fingerprint pattern matching for specifications sbt #868
  • removed the intermediary ThrowableException for Errors #197
  • BREAKING CHANGE (see the API change here): changed the creation of stopOnFail steps #198
  • fixed the Try matcher #199
  • using effectively in mutable.Around to avoid having to think about it
  • generalised value checks to Option, Try and Either matchers #201

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