add jio dependency 'sha256'

src/jio/intro.js

@@ -7,5 +7,8 @@
     return module(exports);
   }
   window.jIO = {};
-  module(window.jIO);
-}(['exports'], function (exports) {
+  module(window.jIO, {hex_sha256: hex_sha256});
+}(['exports', 'sha256'], function (exports, sha256) {
+  "use strict";
+
+  var hex_sha256 = sha256.hex_sha256;

test/tests.html

@@ -10,6 +10,7 @@
   <script src="../lib/qunit/qunit.js"></script>
   <script src="../lib/sinon/sinon.js"></script>
   <script src="../lib/sinon/sinon-qunit.js"></script>
+  <script src="../src/sha256.amd.js"></script>
   <script src="../jio.js"></script>
   <script src="jio/util.js"></script>
   <script src="jio/fakestorage.js"></script>

test/tests.require.js

@@ -6,6 +6,7 @@
 
   require.config({
     "paths": {
+      "sha256":      "../src/sha256.amd",
       "jio":         "../jio",
       "jio_tests":   "jio/tests",