Fixing issue with post data

lib/axios.js

@@ -17,7 +17,10 @@ function axios(options) {
     }
 
     function onerror() {
-      reject(new Error('Can\'t connect to ' + JSON.stringify(options.url)));
+      reject(
+        parse(request.responseText) ||
+        new Error('Can\'t connect to ' + JSON.stringify(options.url))
+      );
     }
 
     try {
@@ -44,7 +47,7 @@ function axios(options) {
       reject(e);
     }
 
-    request.send(options.data || null);
+    request.send(options.data ? JSON.stringify(options.data) : null);
   });
 
   promise.success = function (fn) {