Task: Update deps.

package.json

@@ -45,14 +45,13 @@
     "@types/mocha": "^2.2.43",
     "@types/node": "^8.0.33",
     "@types/typescript": "^2.0.0",
-    "eslint-config-iplayer-base": "^1.0.0",
     "chai": "^4.1.2",
-    "coveralls": "^2.11.9",
     "eslint": "^3.11.1",
+    "eslint-config-iplayer-base": "^1.0.0",
     "istanbul": "1.1.0-alpha.1",
     "jsdoc": "^3.4.3",
     "mocha": "^5.0.5",
-    "sinon": "^2.1.0",
+    "sinon": "^4.5.0",
     "ts-node": "^3.3.0",
     "tslint": "^5.8.0",
     "tslint-config-airbnb": "^5.3.1",
@@ -74,11 +73,10 @@
   },
   "dependencies": {
     "file-js": "0.3.0",
-    "findit": "^2.0.0",
     "highland": "^2.13.0",
-    "lodash": "^4.17.5",
+    "lodash": "^4.17.10",
     "minimatch": "^3.0.4",
-    "moment": "^2.22.0",
+    "moment": "^2.22.1",
     "npm": "^5.8.0",
     "unit-compare": "^1.0.1"
   }