Add ava test framework

Author: bryanjos

package.json

@@ -6,7 +6,7 @@
   "jsnext:main": "src/index.js",
   "scripts": {
     "build": "rollup -c rollup.config.js",
-    "test": "mocha test --recursive --compilers js:babel-core/register"
+    "test": "ava --require babel-register"
   },
   "keywords": [
     "erlang",
@@ -19,11 +19,10 @@
   "author": "Bryan Joseph <bryanjos@gmail.com>",
   "license": "MIT",
   "devDependencies": {
+    "ava": "^0.15.2",
     "babel-core": "^6.10.4",
     "babel-preset-es2015": "^6.9.0",
     "babel-preset-es2015-rollup": "^1.1.1",
-    "chai": "^3.5.0",
-    "mocha": "^2.5.3",
     "rollup": "^0.32.0",
     "rollup-plugin-babel": "^2.5.1",
     "rollup-plugin-node-resolve": "^1.7.0"