adding zuul

.travis.yml

@@ -11,3 +11,7 @@ install:
   - npm install
 after_script:
   - gulp coveralls
+env:
+  global:
+    - SAUCE_USERNAME=maraoz
+    - SAUCE_ACCESS_KEY=30055bf8-2def-4e6a-8edd-4adb9fd1de66

.zuul.yml

@@ -0,0 +1,10 @@
+ui: mocha-bdd
+browsers:
+  - name: chrome
+    version: latest
+    platform: Windows XP
+  - name: ie
+    version: latest
+    platform: Windows XP
+browserify:
+  - transform: brfs

package.json

@@ -6,7 +6,7 @@
   "main": "index.js",
   "scripts": {
     "lint": "gulp lint",
-    "test": "gulp test",
+    "test": "gulp test && ./node_modules/zuul/bin/zuul -- test/*.js",
     "coverage": "gulp coverage",
     "build": "gulp",
     "postinstall": "node ./lib/errors/build.js"
@@ -118,7 +118,8 @@
     "plato": "^1.3.0",
     "run-sequence": "^1.0.2",
     "sinon": "^1.12.2",
-    "through2": "=0.6.3"
+    "through2": "=0.6.3",
+    "zuul": "1.16.3"
   },
   "license": "MIT"
 }

test/transaction/sighash.js

@@ -2,6 +2,8 @@
 
 var buffer = require('buffer');
 
+var chai = require('chai');
+var should = chai.should();
 var Script = require('../../lib/script');
 var Transaction = require('../../lib/transaction');
 var sighash = require('../../lib/transaction/sighash');