Exporting [functionToArbitrary](https://github.com/stacks-network/rendezvous/blob/9c02aa7c2571b3795debc657bd433fd9bf7f19eb/shared.ts#L73) and [argsToCV](https://github.com/stacks-network/rendezvous/blob/9c02aa7c2571b3795debc657bd433fd9bf7f19eb/shared.ts#L283) would make property testing easier for Clarity developers using Rendezvous.