v1.7.0

v1.7.0 (minor)

Changes since v1.6.0:

• Keep punctuation attached to its word in ToTitleCase (@Claude)
• Case-map an astral first letter in ToCamelCase and the first-char helpers (@Claude)

What's Changed

• Case-map an astral first letter in ToCamelCase and the first-char helpers by @matt-edmondson in #76
• Keep punctuation attached to its word in ToTitleCase by @matt-edmondson in #77

Full Changelog: v1.6.0...v1.7.0