Fixed - Segmentation fault due to out-of-bounds access in `ScoringMatrix.is_symmetric` ([2](https://github.com/althonos/scoring-matrices/issues/2)).
0.2.1
Fixed - Missing type hints of `name` and `alphabet` attributes of `ScoringMatrix` ([1](https://github.com/althonos/scoring-matrices/pull/1), by [RayHackett](https://github.com/RayHackett)).
0.2.0
Added - `ScoringMatrix.is_symmetric` method to check whether the matrix is symmetric. - `ScoringMatrix.from_match_mismatch` and `ScoringMatrix.from_diagonal` constructors.
Fixed - Rounding of constants in generated `matrices.h` header.