Get test coverage working again / dependency updates

.travis.yml

@@ -2,11 +2,9 @@ language: node_js
 
 matrix:
   include:
-    - node_js: "10"
+    - node_js: "12"
       env: RUN_COVERAGE=true 
-    - node_js: "9"
-    - node_js: "8"
-    - node_js: "7"
+    - node_js: "11"
 
 before_install:
   # Upgrade NPM, without this a number of modules will fail to install

package.json

@@ -23,26 +23,25 @@
     "form-data": "^2.3.3",
     "format": "^0.2.2",
     "loglevel": "^1.6.1",
-    "mqtt": "^2.18.8",
+    "mqtt": "^3.0.0",
     "tinycache": "^1.1.2",
     "uuid": "^3.3.2",
-    "yaml": "^1.6.0"
+    "yaml": "^1.7.2"
   },
   "devDependencies": {
-    "@babel/cli": "7.4.4",
-    "@babel/core": "7.4.4",
-    "@babel/preset-env": "7.4.4",
-    "@babel/register": "7.4.4",
+    "@babel/cli": "7.7.7",
+    "@babel/core": "7.7.7",
+    "@babel/preset-env": "7.7.7",
+    "@babel/register": "7.7.7",
     "@cloudant/cloudant": "^2.1.0",
-    "@istanbuljs/nyc-config-babel": "^2.1.1",
-    "babel-plugin-istanbul": "^5.1.4",
-    "browserify": "16.5.0",
+    "@istanbuljs/nyc-config-babel": "^3.0.0",
+    "babel-plugin-istanbul": "^6.0.0",
     "chai": "^4.2.0",
     "chai-as-promised": "^7.1.1",
-    "coveralls": "3.0.3",
-    "mocha": "6.1.4",
+    "coveralls": "3.0.9",
+    "mocha": "6.2.2",
     "mocha-steps": "^1.3.0",
-    "nyc": "14.1.1",
+    "nyc": "15.0.0",
     "rimraf": "2.6.3",
     "terser": "^4.4.3"
   },
@@ -84,6 +83,6 @@
       "text"
     ],
     "sourceMap": false,
-    "instrument": false
+    "instrument": true
   }
 }