also:
- fixed value comparison with special floats
- added all the remaining conformance tests from BurntSushi/toml-test and iarna/toml-spec-tests
- added toml::inserter
- added license boilerplate to test files
also:
- fixed some parsing and printing ops being locale-dependent (fixes#19)
- fixed pkgconfig subdir being wrong (fixes#23)
- fixed some parsing errors at EOF when `TOML_EXCEPTIONS = 0`
- fixed some unreferenced variable warnings on older compilers
- fixed some 'maybe-uninitialized' false-positives on GCC9
- added debug/release awareness to CI tests
- added locale awareness to catch test runner
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
