Initially was cloned from PyTox project (https://github.com/aitjcize/PyTox)
Developers: AZ Huang <aitjcize@gmail.com>, Alexander van der Meij <alexandervdm@gliese.me>
Contributors: Alexandre Viau <reazem@reazem.net>, Jman012 <jman012guy@gmail.com>

Applied newapi PR #45 from (https://github.com/aitjcize/PyTox/pull/45)
Developers: yatsen1

Delete some obsolete code. Rewrite sources for more accuracy errors checking and type conversions.
Developers: Anton Batenev <antonbatenev@yandex.ru>
Contributors: Yaroslav Sidlovsky <zawertun@gmail.com>
