utf8 cpp library
Release 2.3.2

A bug fix release plus minor performance improvements. Thanks to all who reported bugs. 

Changes from version 2.3.1
- Bug fix [3506114]: potential crash in replace_invalid
- Bug fix [3426789]: documentation typo
- Bug fix [3215839]: name clash with std::next

Files included in the release: utf8.h, core.h, checked.h, unchecked.h, utf8cpp.html, ReleaseNotes