pmap: implemented rc options #1760

Job	Run time
Code Coverage (macos-latest, macos)	2m 3s
cargo test (macOS-latest)	43s
Code Coverage (ubuntu-latest, unix)	2m 13s
Test each util separately (macOS-latest)	45s
cargo test (ubuntu-latest)	1m 4s
cargo test (windows-latest)	2m 38s
Code Coverage (windows-latest, windows)	4m 55s
Test each util separately (ubuntu-latest)	1m 8s
cargo check (windows-latest)	1m 52s
cargo check (ubuntu-latest)	47s
cargo check (macOS-latest)	38s
Test each util separately (windows-latest)	3m 25s
	22m 11s

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