bump deps

Author: haoxin

package.json

@@ -13,31 +13,31 @@
     "index.js"
   ],
   "devDependencies": {
-    "eslint": "^3.19.0",
-    "eslint-config-standard": "^10.2.1",
-    "eslint-plugin-import": "^2.2.0",
-    "eslint-plugin-node": "^4.2.2",
-    "eslint-plugin-promise": "^3.5.0",
-    "eslint-plugin-standard": "^3.0.1",
-    "iltorb": "^1.2.1",
-    "istanbul": "0",
-    "koa": "2",
-    "mocha": "3",
-    "should": "11",
-    "supertest": "3"
+    "eslint": "^4.19.1",
+    "eslint-config-standard": "^11.0.0",
+    "eslint-plugin-import": "^2.12.0",
+    "eslint-plugin-node": "^6.0.1",
+    "eslint-plugin-promise": "^3.8.0",
+    "eslint-plugin-standard": "^3.1.0",
+    "iltorb": "^2.3.2",
+    "istanbul": "^0.4.5",
+    "koa": "^2.5.1",
+    "mocha": "^5.2.0",
+    "should": "^13.2.1",
+    "supertest": "^3.1.0"
   },
   "license": "MIT",
   "dependencies": {
-    "debug": "^2.6.3",
-    "http-errors": "^1.6.1",
-    "mz": "^2.6.0",
+    "debug": "^3.1.0",
+    "http-errors": "^1.6.3",
+    "mz": "^2.7.0",
     "resolve-path": "^1.4.0"
   },
   "scripts": {
     "lint": "eslint --fix .",
-    "test": "mocha --require should --reporter spec",
-    "test-cov": "istanbul cover ./node_modules/.bin/_mocha -- --require should",
-    "test-travis": "istanbul cover ./node_modules/.bin/_mocha --report lcovonly -- --require should"
+    "test": "mocha --require should --reporter spec --exit",
+    "test-cov": "istanbul cover ./node_modules/.bin/_mocha -- --require should --exit",
+    "test-travis": "istanbul cover ./node_modules/.bin/_mocha --report lcovonly -- --require should --exit"
   },
   "engines": {
     "node": ">= 7.6.0"