Merge pull request #299 from sitegui/responseInError

Fill 'response' property in error instance

Author: thinkingserious

lib/sendgrid.js

@@ -111,6 +111,7 @@ SendGridInstance.prototype.API = function(request, callback) {
  }
  else {
  var error = new SendGridError('Response error');
+ error.response = response;
  callback(error, response);
  }
  });