Online-judge-tools

- [739](https://github.com/kmyk/online-judge-tools/pull/739) follow the update of the submission form of AtCoder ([serihiro](https://github.com/serihiro))
- [731](https://github.com/kmyk/online-judge-tools/pull/731) fix typos in messages in `--help` ([cgschu1tz](https://github.com/cgschu1tz))

- [728](https://github.com/kmyk/online-judge-tools/pull/728) fix new errors of `oj download` on Codeforces ([njkevlani](https://github.com/njkevlani))
- [725](https://github.com/kmyk/online-judge-tools/pull/725) improve an error message for failure of downloading sample cases ([kotatsugame](https://github.com/kotatsugame))

- [715](https://github.com/kmyk/online-judge-tools/pull/715) add Google Code Jam support

- [718](https://github.com/kmyk/online-judge-tools/pull/718) fix a bug of `oj submit` about Python and the language update of AtCoder

- [704](https://github.com/kmyk/online-judge-tools/pull/704) improve error logs of `oj download` when files already exist
- [706](https://github.com/kmyk/online-judge-tools/pull/706) kill zombie processes caused by `--tle` option in `oj test`
- [705](https://github.com/kmyk/online-judge-tools/pull/705) make `oj submit` use Python 3 by default
- [705](https://github.com/kmyk/online-judge-tools/pull/705) fix a bug of `--guess-python-interpreter` option
- [703](https://github.com/kmyk/online-judge-tools/pull/703) allow CRLF as line separators in `oj test`
- [702](https://github.com/kmyk/online-judge-tools/pull/702) display trailing spaces explicitly in `oj test`
- [700](https://github.com/kmyk/online-judge-tools/pull/700) fix a bug of `--side-by-side` option about line numbers

- [692](https://github.com/kmyk/online-judge-tools/pull/692) (breaking changes) remove `split-input` subcommand
- [691](https://github.com/kmyk/online-judge-tools/pull/691) (breaking changes) remove support for Topcoder Marathon Match
- [686](https://github.com/kmyk/online-judge-tools/pull/686) fix a bug of `--side-by-side` option