use co-with-promise instead of git url in package.json

Author: floatdrop

lib/test.js

@@ -3,7 +3,7 @@ var isGenerator = require('is-generator').fn;
 var Promise = require('bluebird');
 var setImmediate = require('set-immediate-shim');
 var fnName = require('fn-name');
-var co = require('co');
+var co = require('co-with-promise');
 var assert = require('./assert');
 
 var TIMEOUT_MAX_VALUE = 2147483647;

package.json

@@ -67,7 +67,7 @@
     "babel-runtime": "^5.8.29",
     "bluebird": "^3.0.0",
     "chalk": "^1.0.0",
-    "co": "floatdrop/co#e6c2a50",
+    "co-with-promise": "^4.6.0",
     "core-assert": "^0.1.0",
     "empower": "^1.1.0",
     "figures": "^1.4.0",