Fix debug dependency

package.json

@@ -1,6 +1,6 @@
 {
   "name": "combined-stream2",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "description": "A drop-in Streams2-compatible replacement for combined-stream.",
   "main": "index.js",
   "scripts": {
@@ -19,7 +19,6 @@
   "author": "Sven Slootweg",
   "license": "WTFPL",
   "devDependencies": {
-    "debug": "^2.1.1",
     "gulp": "~3.8.0",
     "gulp-cached": "~0.0.3",
     "gulp-coffee": "~2.0.1",
@@ -32,6 +31,7 @@
     "gulp-util": "~2.2.17"
   },
   "dependencies": {
+    "debug": "^2.1.1",
     "bluebird": "^2.8.1",
     "stream-length": "^1.0.1"
   }