Modal Intervals

*Issue migrated from trac ticket # 3149*

**milestone:** HeuristicLab 4.0 | **component:** ### Undefined ### | **priority:** medium

#### 2022-03-14 12:37:49: @chrishaider created the issue


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> Implement Modal Intervals as an extension of IA. To be able to calculate a better outer approximation (pessimistic interval) and also calculate inner approximations.