* Make two_val_model_counts_logic generic in heuristic
* Update API and provide two different heuristics
* Increment patch-version of lib and binary
Co-authored-by: Maximilian Marx <mmarx@wh2.tu-dresden.de>
* Remove `unwrap()` from code
Remove `unwrap()` from the code (except tests).
Replaced it by either using `expect()` or handling the error more
gracefully.
* Improve documentation
Add examples on how to use the library
Add explanaitions on the dual use of crate::datatypes::Term
Relates to #33
* Update README
* Add contributing guidelines
