Updating `ard_proportion_ci()` to accept categorical variables #98

All 47 tests pass, 24 skipped in 10s

1 files ±0 71 suites ±0 10s ⏱️ ±0s
71 tests ±0 47 ✅ ±0 24 💤 ±0 0 ❌ ±0
204 runs ±0 168 ✅ ±0 36 💤 ±0 0 ❌ ±0

Results for commit b38dc27. ± Comparison against earlier commit c0695aa.