Add some more groups!

[WizardOfMenlo]

So after some hiatus, I am back. This pull request imports the group that Ruth gracefully provided, and adds some machinery in benchmark to test them as well! We will most likely want to change a bit which sets are benchmarked, but this is most of what we want.

[codecov]

Codecov Report

Merging #83 (10b9604) into master (089985d) will decrease coverage by 0.62%.
The diff coverage is 100.00%.

❗ Current head 10b9604 differs from pull request most recent head a926ff8. Consider uploading reports for the commit a926ff8 to get more accurate results

@@            Coverage Diff             @@
##           master      #83      +/-   ##
==========================================
- Coverage   95.26%   94.64%   -0.63%     
==========================================
  Files          43       39       -4     
  Lines        3488     3157     -331     
==========================================
- Hits         3323     2988     -335     
- Misses        165      169       +4     

Impacted Files	Coverage Δ
src/perm/impls/standard.rs	96.42% <100.00%> (ø)
src/perm/impls/sync.rs	94.11% <100.00%> (ø)
src/group/orbit/abstraction.rs	89.47% <0.00%> (-10.53%)	⬇️
src/group/random_perm.rs	95.77% <0.00%> (-4.23%)	⬇️
src/perm/utils.rs	96.61% <0.00%> (-3.39%)	⬇️
src/group/stabchain/mod.rs	94.78% <0.00%> (-3.15%)	⬇️
src/perm/actions.rs	97.67% <0.00%> (-2.33%)	⬇️
src/group/utils.rs	97.75% <0.00%> (-2.25%)	⬇️
src/group/stabchain/element_testing.rs	97.41% <0.00%> (-1.94%)	⬇️
src/group/stabchain/builder/random/random_ift.rs	91.59% <0.00%> (-1.92%)	⬇️
... and 20 more

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