Memory fs error on windows ==> throw new MemoryFileSystemError(errors.code.ENOENT, _path)

I'm trying to use this package on windows but i keep getting error : `throw new MemoryFileSystemError(errors.code.ENOENT, _path)`

In orer to debug the issue, i tried this and am still getting the same error 

````
var MemoryFileSystem = require("memory-fs")
var fs = new MemoryFileSystem()

console.log(__dirname)

console.log(fs.readdirSync(__dirname))
````