Release 0.5.0

What's Changed

• feat: add Matcher values and to_contain_element_matching by @DamianReeves in #54
• feat: add to_be_equivalent_to with excluding, ignoring_order and tolerance by @DamianReeves in #55
• chore: release 0.5.0 by @DamianReeves in #56

Full Changelog: v0.4.0...v0.5.0