Smfsb

Change main dependency from NumPy < 2 to NumPy >= 2.

Updated documentation, including a tutorial.

Minor update, including updating of argument names to a more pythonic style.

**This release introduces many breaking changes** to syntax. Method names have been updated to have a more pythonic style. If you are upgrading to this release from a previous release you _will_ need to update your code. However, all of the changes are purely cosmetic changes to names. There are no changes to the semantics of the code.

Minor release with updated documentation.

Minor improvements.