Use new WebAssembly API (#724)
Use new WebAssembly API (#724)

* use new WebAssembly.Instance/Module API

* detect presence of wasm with WebAssembly object

WebAssembly/binaryen,yurydelendik/binaryen,WebAssembly/binaryen,WebAssembly/binaryen,yurydelendik/binaryen,yurydelendik/binaryen,yurydelendik/binaryen,yurydelendik/binaryen,WebAssembly/binaryen,WebAssembly/binaryen