Isomorphisms + Profiling

[j6k4m8]

A bit of a weird mutant PR, but:

• Isomorphisms
• Isomorphism tests (and verification against nx.algorithms.isomorphism)
• Profiling infrastructure for performance and optimization

[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (master@04936ff). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master       #7   +/-   ##
=========================================
  Coverage          ?   91.56%           
=========================================
  Files             ?        3           
  Lines             ?      332           
  Branches          ?        0           
=========================================
  Hits              ?      304           
  Misses            ?       28           
  Partials          ?        0           

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 04936ff...6bddac9. Read the comment docs.