Release 0.174.0

Defect fixes:

• Fixed issue #499 with nan_to_str, inf_to_str and neginf_to_str

Core library enhancements

• New json_options line_splits option that addresses issue #490

jsonpath library enhancements

• New function jsonpath::replace analagous to jsonpointer::replace,
  but for normalized paths.

jsonschema library enhancements

• The jsonschema extension now supports Drafts 4, 6, 2019-09 and 2020-12
  in addition to Draft 07.

  • New function make_json_schema that returns a representation of
    a compiled JSON Schema document.

  • New class validation_message

  • The legacy function make_schema and classes json_validator and
    validation_output remain for backward compatibility, but have been
    deprecated.