wasmer-wast 4.2.8

wast testing support for wasmer
This is the `wasmer-wast` crate, which contains an implementation of WebAssembly's
"wast" test scripting language, which is used in the
[WebAssembly spec testsuite], using wasmer for execution.

[WebAssembly spec testsuite]: https://github.com/WebAssembly/testsuite

> Note: this project started as a fork of [this crate]https://crates.io/crates/wasmtime-wast.