curlx crashes ungracefully on invalid run id

[ynx0]

When running the command: $ cx run 150, I get the following error.

Stacktrace

C:\Users\lux> cx run 150
C:\Users\lux\AppData\Roaming\npm\node_modules\curlx\cmds\run.js:15
  if (request_id.indexOf(':') == -1) {
                 ^

TypeError: request_id.indexOf is not a function
    at module.exports (C:\Users\lux\AppData\Roaming\npm\node_modules\curlx\cmds\run.js:15:18)
    at module.exports (C:\Users\lux\AppData\Roaming\npm\node_modules\curlx\index.js:25:28)
    at Object.<anonymous> (C:\Users\lux\AppData\Roaming\npm\node_modules\curlx\bin\cx:2:15)
    at Module._compile (internal/modules/cjs/loader.js:689:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:700:10)
    at Module.load (internal/modules/cjs/loader.js:599:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:538:12)
    at Function.Module._load (internal/modules/cjs/loader.js:530:3)
    at Function.Module.runMain (internal/modules/cjs/loader.js:742:12)
    at startup (internal/bootstrap/node.js:283:19)

Here is a link to the relevant code.