Test on Node 12 (#126)

Author: RyanZim

.travis.yml

@@ -4,9 +4,10 @@ node_js:
   - "6"
   - "8"
   - "10"
+  - "12"
 matrix:
   include:
-    - node_js: "10"
+    - node_js: "12"
       env: TEST_SUITE=lint
 env:
   - TEST_SUITE=unit

appveyor.yml

@@ -5,6 +5,7 @@ environment:
     - nodejs_version: "6"
     - nodejs_version: "8"
     - nodejs_version: "10"
+    - nodejs_version: "12"
 
 
 # Install scripts. (runs after repo cloning)