Add support for builtin types for get_value and set_value #79

All 24 tests pass in 10s

10 files + 10 10 suites +10 10s ⏱️ +10s
24 tests + 24 24 ✅ + 24 0 💤 ±0 0 ❌ ±0
210 runs +210 210 ✅ +210 0 💤 ±0 0 ❌ ±0

Results for commit da0a6d7. ± Comparison against earlier commit 3285505.