TODO list:

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Release-critical:

- Add study capability to engine

Done:
- Add reaction for duplicate phrases.
- Add aliases.
- Check for critical section double enter
- Multicontact talk support in engine
- Add "Start talking" option to cantact menu.
- Check bot warning.
- Add "be silent, not stupid" to options
- Add start answers with a little letter.
- Add README about bot algorithm.
- Add README for mind file format.
- Add "don't use "don't understand"" option
- Division between question and non-question sentenses
- Empty keywords or specials should not be loaded
- Check "каким-либо"
- Check :-) on "ок"
- Add answer-on status info to the readme.
- Make AI options dependent.
- Update mind.txt with UpdateStartChar
- Sort keywords matches by priority
- Use chooser everywhere

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Future:
- Speed-up loading
- Load mind from UTF8 files
- Expert mode support
- Add different choises of reaction for message series.