Support setting the target's attribute

examples.html

@@ -15,6 +15,10 @@
             pageTitle   : "Weld examples",
             description : "Below is a list of examples",
             dogfood     : "This page was rendered with weld",
+            link: {
+              "@.": "foo",
+              "@href": "bar"
+            },
             example : [
             {
               title   : 'Render an object into some elements',
@@ -44,6 +48,7 @@ <h1 class="pageTitle">Random title</h1>
   <p class="description">
     This is a description about this page..
   </p>
+  <a href="" class="link"></a>
   <p class="dogfood">
     here is some dogfood
   </p>

lib/weld.js

@@ -340,6 +340,27 @@
             obj    = value[lkey];
             target = ops.match(template, element, lkey, obj);
 
+            if(lkey.length > 1 && lkey[0] == '@') {
+              var attr = lkey.substr(1);
+
+              if(attr == '.') {
+
+                // set the element's value as normal
+                if(~({}).toString.call(value).indexOf('Date')) {
+                  value[lkey] = value[lkey].toString();
+                }
+
+                if (value.nodeType || typeof value[lkey] !== 'object') {
+                  ops.set(parent, element, key, value[lkey], row);
+                }
+              } else {
+                // set the element's attribute
+                element.setAttribute(attr, value[lkey]);
+              }
+
+              continue;
+            }
+
             if (target) {
               ops.traverse(template, target, lkey, obj, row);
 
@@ -444,6 +465,8 @@
         return res;
       },
       match : function match(parent, element, key, value) {
+        if(key[0] == '@') return;
+
         if(typeof config.alias[key] !== 'undefined') {
           if(typeof config.alias[key] === 'function') {
             key = config.alias[key](parent, element, key, value) || key;