test against node 4.x

.travis.yml

@@ -24,6 +24,13 @@ matrix:
      # Linux
      - os: linux
        compiler: clang
+       env: NODE_VERSION="iojs-4.0.0" PUBLISHABLE=true
+       addons:
+         apt:
+            sources: [ 'ubuntu-toolchain-r-test','llvm-toolchain-precise-3.5', 'gcc-multilib', 'g++-multilib', 'libsqlite3-dev:i386' ]
+            packages: [ 'clang-3.5']
+     - os: linux
+       compiler: clang
        env: NODE_VERSION="iojs-3.1.0" PUBLISHABLE=true
        addons:
          apt:
@@ -68,7 +75,10 @@ matrix:
      # OS X
      - os: osx
        compiler: clang
-       env: NODE_VERSION="iojs-3.1.0" # node abi 45
+       env: NODE_VERSION="iojs-3.1.0" # node abi 46
+     - os: osx
+       compiler: clang
+       env: NODE_VERSION="iojs-4.0.0" # node abi 45
      - os: osx
        compiler: clang
        env: NODE_VERSION="iojs-2.4.0" # node abi 44

package.json

@@ -38,7 +38,7 @@
     },
     "dependencies": {
         "nan": "~2.0.5",
-        "node-pre-gyp": "~0.6.9"
+        "node-pre-gyp": "~0.6.10"
     },
     "bundledDependencies": [
         "node-pre-gyp"