Merge pull request #13 from 74nk/master

Bugfix: additional check added (issue #12)

Author: zimbatm

lib/requests.js

@@ -26,15 +26,18 @@ function send(config, options, callback) {
 
   var url = config.getBaseURL() + path + "?" + queryString;
 
-  handler[options.method.toLowerCase()]({
-    url: url,
-    proxy: config.proxy,
-    timeout: config.timeout,
-    headers: {
-      'content-type': (body ? 'application/json' : undefined)
-    },
-    body: body
-  }, function(err, res, resBody) {
+  var params = {
+  	url: url,
+  	proxy: config.proxy,
+  	timeout: config.timeout
+  };
+
+  if(body) {
+  	params.headers = {'content-type': 'application/json'};
+  	params.body = body;
+  }
+
+  handler[options.method.toLowerCase()](params, function(err, res, resBody) {
     dispatchRequestResult(err, url, this.req, res, callback);
   });
 }