Dependency Dashboard

This issue lists Renovate updates and detected dependencies. Read the [Dependency Dashboard](https://docs.renovatebot.com/key-concepts/dashboard/) docs to learn more.

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## Detected Dependencies

npm (1)

package.json (3)

- `argparse ~0.1.16` → [Updates: `~3.0.0`]
- `mocha ~2.2.1` → [Updates: `~2.5.0`, `~12.0.0`]
- `jshint ~2.6.3` → [Updates: `~2.13.0`]

travis (1)

.travis.yml (2)

- `node 0.1` → [Updates: `0.12`, `24.21`]
- `node 0.12` → [Updates: `24.21`]

Review package.json and .travis.yml against the listed Renovate updates, starting with the Dependency Dashboard documentation and the repository's existing test setup. Determine which dependency and Node.js upgrades are compatible, then verify that the test suite and Travis configuration still work; the issue does not define a specific upgrade target.

Written by the indexing model from the issue text.