Implement table-based MAST #4797

Job	Run time
rustfmt	7s
Clippy	52s
no-std (stable, wasm32-unknown-unknown)	1m 22s
no-std (nightly, wasm32-unknown-unknown)	1m 30s
Check Rust stable on ubuntu with --all-targets --no-default-features	1m 7s
Test Rust stable on ubuntu with --profile test-release	10m 29s
Check Rust stable on ubuntu with --all-targets	1m 1s
Test Rust stable on ubuntu with --profile test-release --doc	5m 45s
Test Rust nightly on windows-2022	0s
Check Rust stable on ubuntu with --all-targets --all-features	1m 1s
Test Rust nightly on ubuntu with --profile test-release	10m 49s
Check Rust nightly on ubuntu with --all-targets --no-default-features	1m 2s
Test Rust nightly on ubuntu with --profile test-release --doc	5m 48s
Check Rust nightly on ubuntu with --all-targets	1m 4s
Check Rust nightly on ubuntu with --all-targets --all-features	1m 5s
	43m 2s

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