v2.3.1

What's Changed

• Add a built-in way to assign a name to an alternative passed to options() or with_options_matrix() by @epsy in #23
• Add evaluated to allow part of a fixture to be created by a function run at test time with options as input by @epsy in #24
• Make Evaluated callable. by @epsy in #25
• Fix class names being set to "_test" by with_options on subclasses by @epsy in #26
• Update docs with @evaluated and NamedAlternative() by @epsy in #27
• fix missing imports in docs by @epsy in #28

Full Changelog: v2.2.1...v2.3.1