master default 0.25 0.26 0.27-maintenance EXIV2_DEBUG_MESSAGES_master EXIV2_DEBUG_MESSAGES FileIO_stat abi_compliance add_mergify fix_error_type fix_739 git_guidelines_update libfuzzer_integration_vanilla libfuzzer_integration mingw-cross-0.27 mingw-cross-master moreWarnings pr_924_ci readme-conan-maintenance remove-printStructure safe_cast safe_op_extensions tidy/exiv2App v0.27.2 wstr_2_str