responses block parsing

[caisilus]

Responses block looks like:

[Да->{Поход в Мордор} 
| Нет, я не хочу носить кольцо -> {Конец игры}]

Tasks

• error validation(forbidden expressions, reserved words)
• parser configuration
• create models to contain information about responses
• responses block parsing

[typicalsklyar]

take it