More kernel functions #604

Job	Run time
Check and build entire workspace	1m 33s
Build splashsurf_lib with no default features	39s
Build splashsurf_lib with all features	3m 47s
Run cargo fmt	10s
Build & test release mode (ubuntu-24.04-arm)	3m 13s
Build & test release mode (ubuntu-latest)	3m 23s
Build & test release mode (macos-13)	8m 18s
Build & test release mode (macos-14)	3m 39s
Build & test release mode (windows-latest)	6m 46s
Publish to crates.io	0s
	31m 28s

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