REPL doesn't run on vanilla Windows

[refack]

The cause is that on a vanilla install the HOME enviroment variable is not defined

result:

path.js:204
        throw new TypeError('Arguments to path.join must be strings');
              ^
TypeError: Arguments to path.join must be strings
    at f (path.js:204:15)
    at Object.filter (native)
    at Object.exports.join (path.js:209:40)
    at Object.module.exports.start (c:\node10\node_modules\coffee-script-redux\lib\repl.js:122:31)
    at Object.<anonymous> (c:\node10\node_modules\coffee-script-redux\lib\cli.js:152:8)
    at Module._compile (module.js:456:26)
    at Object.Module._extensions..js (module.js:474:10)
    at Module.load (module.js:356:32)
    at Function.Module._load (module.js:312:12)
    at Module.require (module.js:364:17)

--- Want to back this issue? **[Post a bounty on it!](https://www.bountysource.com/issues/2268306-repl-doesn-t-run-on-vanilla-windows?utm_campaign=plugin&utm_content=tracker%2F33145&utm_medium=issues&utm_source=github)** We accept bounties via [Bountysource](https://www.bountysource.com/?utm_campaign=plugin&utm_content=tracker%2F33145&utm_medium=issues&utm_source=github).