Fix dev dependencies

Author: FilipeMata

package.json

@@ -22,16 +22,16 @@
     "oauth": "0.9.15"
   },
   "devDependencies": {
-    "mocha": "~2.2.4",
-    "nock": "~2.0.1",
-    "proxyquire": "^1.3.1",
-    "rewire": "~2.3.3",
-    "should": "~6.0.1",
-    "should-promised": "~0.2.1",
-    "simple-mock": "~0.3.0",
-    "sinon": "~1.14.1",
-    "istanbul": "~0.3.13",
-    "codeclimate-test-reporter": "0.0.4"
+    "mocha": "~4.1.0",
+    "nock": "~9.1.5",
+    "proxyquire": "^1.8.0",
+    "rewire": "~3.0.2",
+    "should": "~13.2.0",
+    "should-promised": "~0.3.1",
+    "simple-mock": "~0.8.0",
+    "sinon": "~4.1.3",
+    "istanbul": "~0.4.5",
+    "codeclimate-test-reporter": "0.5.0"
   },
   "engines": {
     "node": ">= 0.10.0"