Merge #10

10: Update debug to the latest version 🚀 r=jniles a=greenkeeper[bot]


## The dependency [debug](https://github.com/visionmedia/debug) was updated from `3.2.5` to `4.1.0`.
This version is **not covered** by your **current version range**.

If you don’t accept this pull request, your project will work just like it did before. However, you might be missing out on a bunch of new features, fixes and/or performance improvements from the dependency update.

---

<details>
<summary>Release Notes for 4.1.0</summary>

<h1>Minor Changes</h1>
<ul>
<li>migrate Makefile to npm scripts (<a class="commit-link" href="https://urls.greenkeeper.io/visionmedia/debug/commit/4236585a40787fe60ed625452163299600df2ce6"><tt>4236585</tt></a>)</li>
<li>feat: Return namespaces string when invoking disable() (<a class="commit-link" href="https://urls.greenkeeper.io/visionmedia/debug/commit/7ef8b417a86941372074f749019b9f439a1f6ef6"><tt>7ef8b41</tt></a>)</li>
</ul>
<p>Massive <em>thank you</em> to <a class="user-mention" data-hovercard-type="user" data-hovercard-url="/hovercards?user_id=247048" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://urls.greenkeeper.io/mblarsen">@mblarsen</a> and <a class="user-mention" data-hovercard-type="user" data-hovercard-url="/hovercards?user_id=390146" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://urls.greenkeeper.io/outsideris">@outsideris</a> for knocking out two long-awaited changes.</p>
</details>

<details>
<summary>Commits</summary>
<p>The new version differs by 6 commits ahead by 6, behind by 5.</p>
<ul>
<li><a href="https://urls.greenkeeper.io/visionmedia/debug/commit/e30e8fdbc92c4cf6b3007cd1c3ad2c3cbb82be85"><code>e30e8fd</code></a> <code>4.1.0</code></li>
<li><a href="https://urls.greenkeeper.io/visionmedia/debug/commit/7ef8b417a86941372074f749019b9f439a1f6ef6"><code>7ef8b41</code></a> <code>feat: Return namespaces string when invoking disable()</code></li>
<li><a href="https://urls.greenkeeper.io/visionmedia/debug/commit/4236585a40787fe60ed625452163299600df2ce6"><code>4236585</code></a> <code>migrate Makefile to npm scripts</code></li>
<li><a href="https://urls.greenkeeper.io/visionmedia/debug/commit/4490cd95bfb952e1ed756914ac225ddc987b2ba3"><code>4490cd9</code></a> <code>4.0.1</code></li>
<li><a href="https://urls.greenkeeper.io/visionmedia/debug/commit/99c95e3d54b07a918ad65bc148a2930ea8bfdd02"><code>99c95e3</code></a> <code>fix browserify and supply alternative unpkg entry point (closes #606)</code></li>
<li><a href="https://urls.greenkeeper.io/visionmedia/debug/commit/7fb104b8cfcbc3a91d8e4a6727638c3fe24be8d2"><code>7fb104b</code></a> <code>4.0.0</code></li>
</ul>
<p>See the <a href="https://urls.greenkeeper.io/visionmedia/debug/compare/9a6d8c20a8b92f7df1f10f343c8238760ec4902f...e30e8fdbc92c4cf6b3007cd1c3ad2c3cbb82be85">full diff</a></p>
</details>

<details>
  <summary>FAQ and help</summary>

  There is a collection of [frequently asked questions](https://greenkeeper.io/faq.html). If those don’t help, you can always [ask the humans behind Greenkeeper](https://github.com/greenkeeperio/greenkeeper/issues/new).
</details>

---


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package.json

@@ -26,7 +26,7 @@
     "sinon": "^6.0.0"
   },
   "dependencies": {
-    "debug": "^3.1.0",
+    "debug": "^4.1.0",
     "ioredis": "^3.2.2"
   }
 }