Add sandwich semigroup#1042

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MTWhyte wants to merge 5 commits intosemigroups:mainfrom

MTWhyte:add-sandwich-semigroup

Commits on Aug 30, 2024

Add some sandwich semigroup functionality
Murray Whyte
committed
Fix slowness with Elements()
Murray Whyte
committed

Commits on Oct 18, 2024

Tmp
Murray Whyte
committed
Add generators method
james-d-mitchell
committed
Merge pull request #9 from james-d-mitchell/add-sandwich-semigroup
MTWhyte
authored