see https://github.com/toml-lang/toml/issues/698 for info about TOML v1.0.0
also:
- fixed some parser error-paths not returning early enough when exceptions were disabled
- added more specific error messages for parsing errors relating to prohibited codepoints
- added compilation speed improvements (particularly for platforms lacking floating-point `std::to_chars`)
- added many minor documentation improvements
- added additional tests
also:
- fixed column numbers being wrong when a value ended at EOF
- fixed some `print_to_stream` overloads for `char8_t`
- fixed a minor preprocessor snafu on MSVC
- fixed '\' not being escaped when printing string values
- added an initializer list constructor for tables
- added `array::flatten`
- added `table::find`
- added `table::is_inline` setter
- added `TOML_SMALL_INT_TYPE`
- added `parse_file`
- added stream operator for source_region
- added proper license notice for the utf8 decoder
- added lots more documentation and tests
