- update around `submit` command
- [177](https://github.com/kmyk/online-judge-tools/issues/177) make `--open` by default of `submit` command
- [177](https://github.com/kmyk/online-judge-tools/issues/177) add `--format-dos2unix` `--format-rstrip` `--golf` options for `submit` command
- [108](https://github.com/kmyk/online-judge-tools/issues/108) enable to guess the language to `submit`