Merge pull request #67 from cakebaker/slabtop_clap_help #227

Job	Run time
Code Coverage (ubuntu-latest, unix)	1m 58s
cargo check (ubuntu-latest)	12s
Code Coverage (macos-latest, macos)	6m 2s
cargo clippy -- -D warnings (ubuntu-latest)	15s
cargo check (macOS-latest)	35s
cargo fmt --all -- --check	8s
Code Coverage (windows-latest, windows)	4m 54s
cargo clippy -- -D warnings (macOS-latest)	28s
cargo check (windows-latest)	1m 35s
cargo clippy -- -D warnings (windows-latest)	1m 26s
cargo test (ubuntu-latest)	28s
cargo test (macOS-latest)	36s
cargo test (windows-latest)	1m 27s
	20m 4s

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