usernameIndex is not defined

[michielbdejong]

loopy:gitter-solid michiel$ node gitter-solid.js init solid/test-suite
Target roomm name: solid/test-suite
Logging into gitter ...
You are logged into gitter as: michielbdejong
rooms 78
Target room found: solid/test-suite
targetRoomName 1 solid/test-suite
targetRoomName 2 "solid/test-suite"
(node:1535) UnhandledPromiseRejectionWarning: ReferenceError: usernameIndex is not defined
    at go (/Users/michiel/gh/solid/gitter-solid/gitter-solid.js:772:32)
    at processTicksAndRejections (internal/process/task_queues.js:97:5)
(node:1535) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)
(node:1535) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.