small fixes, a couple new API fns, and a bunch of stubs #270

Job	Run time
Clippy nightly (optional)	34s
Clippy nightly (optional)	34s
Clang Tidy	13s
Clang Tidy	13s
Build+test (stable, ubuntu-24.04)	1m 9s
Build+test (stable, ubuntu-24.04)	1m 46s
Clippy	25s
Clippy	25s
Build+test (stable, ubuntu-22.04)	1m 9s
Build+test (stable, ubuntu-22.04)	1m 35s
Check for documentation errors	43s
Check for documentation errors	43s
Format	9s
Format	9s
Build+test (beta, ubuntu-24.04)	1m 2s
Build+test (beta, ubuntu-24.04)	1m 54s
Build+test (beta, ubuntu-22.04)	51s
Build+test (beta, ubuntu-22.04)	1m 48s
Miri	1m 4s
Miri	1m 4s
Build+test (nightly, ubuntu-24.04)	1m 0s
Build+test (nightly, ubuntu-24.04)	1m 58s
Packaging	3m 15s
Packaging	3m 15s
Produce release packages (fedora, 40, rpm)	2m 57s
Produce release packages (fedora, 40, rpm)	2m 57s
Build+test (nightly, ubuntu-22.04)	58s
Build+test (nightly, ubuntu-22.04)	1m 41s
Produce release packages (ubuntu, 24.04, deb)	2m 5s
Produce release packages (ubuntu, 24.04, deb)	2m 5s
Valgrind	2m 7s
Valgrind	2m 7s
	43m 55s

Provide feedback