SQLite implementation of query support for DB based index #24

All 549 tests pass, 6 skipped in 7m 57s

555 tests ±0 549 ✔️ ±0 7m 57s ⏱️ -8s
    1 suites ±0     6 💤 ±0
    1 files ±0     0 ❌ ±0

Results for commit 2aa5cb7. ± Comparison against earlier commit d6e8936.