updating packages and CI scripts

.travis.yml

@@ -1,15 +1,19 @@
 language: node_js
+
+os:
+  - osx
+
 node_js:
   - "6"
-  - "7"
   - "8"
-  - "9"
-cache:
-  directories:
-    - node_modules
+  - "10"
+  - "11"
+
 install:
   - npm install -g gulp istanbul
   - npm install
+
 script: "gulp coverage-export"
+
 notifications:
   email: false

appveyor.yml

@@ -1,22 +1,23 @@
+image:
+  - Visual Studio 2015
+  - Ubuntu
+
 environment:
   matrix:
     # node.js
-    - nodejs_version: "6"
-    - nodejs_version: "7"
-    - nodejs_version: "8"
-    - nodejs_version: "9"
+    - nodejs: "6"
+    - nodejs: "8"
+    - nodejs: "10"
+    - nodejs: "11"
 
 install:
-  - ps: Install-Product node $env:nodejs_version
-  - npm install -g gulp --silent
-  - npm install --silent
-
-#build_script:
-#  - gulp build
+  - cmd: powershell Install-Product node $env:nodejs x64
+  - sh: nvm install $nodejs
+  - node -p "[process.version,process.arch].join(' ')"
+  - npm install -g -q gulp
+  - npm install -q --unsafe-perm=true
 
 test_script:
-  - node --version
-  - npm --version
   - gulp appveyor
 
 after_test:

package.json

@@ -44,20 +44,20 @@
     "charm": "^1.0.2"
   },
   "devDependencies": {
-    "chai": "^4.1.2",
-    "chalk": "^2.3.0",
+    "chai": "^4.2.0",
+    "chalk": "^2.4.1",
     "del": "^3.0.0",
     "gulp": "^3.9.1",
-    "gulp-bump": "^3.1.0",
+    "gulp-bump": "^3.1.1",
     "gulp-coveralls": "^0.1.4",
     "gulp-istanbul": "^1.1.3",
-    "gulp-json-editor": "^2.2.1",
+    "gulp-json-editor": "^2.4.3",
     "gulp-mocha": "=3.0.1",
     "gulp-run": "^1.7.1",
     "gulp-tsb": "^2.0.5",
-    "mocha-jenkins-reporter": "^0.3.10",
-    "remap-istanbul": "^0.10.1",
+    "mocha-jenkins-reporter": "^0.4.1",
+    "remap-istanbul": "^0.12.0",
     "run-sequence": "^2.2.1",
-    "typescript": "^2.7.1"
+    "typescript": "^3.2.1"
   }
 }