95 Add stable equals/hashCode for PBJ objects #196

All 503 tests pass, 1 skipped in 2m 8s

    39 files +1     39 suites +1 2m 8s ⏱️ -9s
  504 tests +8   503 ✔️ +8 1 💤 ±0 0 ❌ ±0
2 692 runs +8 2 683 ✔️ +8 9 💤 ±0 0 ❌ ±0

Results for commit 2eaaae7. ± Comparison against earlier commit 4eddb3f.