Updated dependencies

package.json

@@ -1,19 +1,19 @@
 {
   "name": "vehicle-history-model",
-  "version": "0.9.43",
+  "version": "0.9.44",
   "description": "Vehicle history model.",
   "main": "./index.js",
   "dependencies": {
     "assert-plus": "^0.1.5",
-    "async": "^1.0.0",
+    "async": "^1.3.0",
     "datejs": "^1.0.0-rc3",
-    "winston": "^1.0.0",
+    "winston": "^1.0.1",
     "winston-loggly": "^1.1.0"
   },
   "devDependencies": {
-    "config": "^1.13.0",
-    "chai": "^2.3.0",
-    "istanbul": "^0.3.14",
+    "config": "^1.14.0",
+    "chai": "^3.0.0",
+    "istanbul": "^0.3.17",
     "mocha": "^2.2.5"
   },
   "scripts": {
@@ -45,6 +45,6 @@
     "node": ">=0.10.0"
   },
   "readmeFilename": "README.md",
-  "_id": "vehicle-history-model@0.9.43",
-  "_from": "vehicle-history-model@^0.9.43"
+  "_id": "vehicle-history-model@0.9.44",
+  "_from": "vehicle-history-model@^0.9.44"
 }