0.5.0

• Deprecate subset? and superset? methods and add subset_of? and superset_of? as replacements, in line with Crystal stdlib (crystal-lang/crystal/issues/10020)
• Use Hash#dup
• Add compare_by_identity

0.4.0

• to_s and inspect parameter type restriction IO, consistent with stdlib
• * parameter type restriction Int32
• Updated deprecated join usage
• Documentation & code style improvements 💪

0.3.0

Compatibility with changes introduced in Crystal 0.28.0

• Drop Iterator#rewind

0.2.0

Compatibility with changes introduced in Crystal 0.20.0

0.1.3

• Fixes building with Crystal > 0.19.2