Adds `denom` argument to count `s_*` functions #453

All 857 tests pass, 3 skipped in 1m 32s

1 files ± 0 84 suites ±0 1m 32s ⏱️ +21s
860 tests ± 0 857 ✅ + 8 3 💤 - 8 0 ❌ ±0
2 302 runs +455 2 275 ✅ +1 114 27 💤 - 659 0 ❌ ±0

Results for commit b91a8b8. ± Comparison against earlier commit 0491967.