Support finding nodes by name without address. #122

Job	Run time
Cargo check	22s
Minimal dependency versions build	26s
Build with each feature combination	21s
Code formatting checks	17s
Clippy lint checks	17s
Machete dependencies checks	1m 57s
Build & test (nightly, macos-latest)	36s
Build & test (nightly, ubuntu-latest)	18s
Build & test (stable, windows-latest)	54s
Build & test (1.88, macos-latest)	31s
Build & test (1.88, ubuntu-latest)	21s
Build & test (nightly, windows-latest)	52s
Build & test (stable, macos-latest)	28s
Build & test (1.88, windows-latest)	51s
Build & test (stable, ubuntu-latest)	24s
Miri test	58s
	9m 53s

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