Adds `names()` function and deprecates `datanames()` #213

All 158 tests pass in 1s

1 files ±0 13 suites ±0 1s ⏱️ ±0s
158 tests ±0 158 ✅ ±0 0 💤 ±0 0 ❌ ±0
213 runs ±0 213 ✅ ±0 0 💤 ±0 0 ❌ ±0

Results for commit 64f16da. ± Comparison against earlier commit 33de31f.