test node v5 and v6

Author: TooTallNate

.travis.yml

@@ -18,6 +18,8 @@ node_js:
   - "2.5"
   - "3.2"
   - "4.1"
+  - "5"
+  - "6"
 
 install:
   - PATH="`npm bin`:`npm bin -g`:$PATH"

appveyor.yml

@@ -14,6 +14,8 @@ environment:
     - nodejs_version: "2.5"
     - nodejs_version: "3.2"
     - nodejs_version: "4.1"
+    - nodejs_version: "5"
+    - nodejs_version: "6"
 
 platform:
   - x86