init update for cran release prep 0.6.6, [skip vbump] #1007

All 197 tests pass in 1m 30s

      1 files ±0     24 suites ±0 1m 30s ⏱️ -1s
  197 tests ±0   197 ✔️ ±0 0 💤 ±0 0 ❌ ±0
1 506 runs ±0 1 506 ✔️ ±0 0 💤 ±0 0 ❌ ±0

Results for commit 19b6920. ± Comparison against earlier commit b7a770e.