v0.2.1-beta

version: 0.2.1-11-30.2023

1. Fixed bugs in Fuzzarray.md and Fuzzarray.nmd.
2. Fixed comp attribute bug when mtype ='qrohfn'.
3. Fixed addition and multiplication bugs for mtype ='qrohfn'.
4. Fixed some bugs in fuzzset：
   • Fuzzset (None) could not be generated
   • Fixed fuzzset high-dimensional array being expanded
5. Fixed fuzznum failing to generate fuzznum (None)
6. Updated requirements.txt file

Full Changelog: 0.2.0-beta...v0.2.1-beta