Added

• pickle protocol implementation to Mapper and Sketch via __getstate__ and __setstate__.
• Minimizers class to access the minimizers of a Sketch or Mapper object.

Changed

• Make Sketcher and Mapper final.
• Prevent direct instantiation of Mapper objects.
• Update Mapper._query_draft to recycle memory between fragments.
• Vendor Boost::math headers (v1.79) to allow compiling without depdendencies.

Fixed

• Broken compilation of _fastani extension module as universal2 binaries on MacOS.