Fix bug from early ported ocaml code regarding zeroes and program representation. Add a cl23.1 sigil that enables this and add many tests. #420

	# Taken from clvm_rs' version.
	name: Build crate

	on:
	push:
	branches:
	- main
	- dev
	tags:
	- '**'
	pull_request:
	branches:
	- '**'

	jobs:
	build_crate:
	name: Crate
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false

	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 0

	- name: Set up rusts
	uses: actions-rs/toolchain@v1
	with:
	toolchain: stable
	components: rustfmt, clippy

	- name: Set up rust (stable)
	uses: actions-rs/toolchain@v1
	with:
	toolchain: stable
	components: rustfmt, clippy

	- name: fmt (stable)
	run: cargo +stable fmt -- --files-with-diff --check
	- name: clippy (stable)
	run: cargo +stable clippy
	- name: tests
	run: cargo test && cargo test --release
	# The design of 'run' causes it to drop main.sym unannounced when compiling.
	# ensure that it gets removed before cargo runs.
	- name: remove stray main.sym
	run: rm -f main.sym
	- name: build
	run: cargo build --release

	- name: dry-run of `cargo publish`
	run: cargo publish --dry-run

	- name: Upload crate artifacts
	uses: actions/upload-artifact@v3
	with:
	name: crate
	path: ./target/package/clvm_tools_rs-*.crate

	# this has not been tested, so probably needs to be debugged next time a tag is created
	- name: publish to crates.io if tagged
	if: startsWith(github.event.ref, 'refs/tags')
	env:
	CARGO_REGISTRY_TOKEN: ${{ secrets.cargo_registry_token }}
	run: cargo publish

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