Add fallback for statusCode errors in addComment

Author: PunkChameleon

lib/jira.js

@@ -1393,7 +1393,9 @@ var JiraApi = exports.JiraApi = function(protocol, host, port, username, passwor
             if (response.statusCode === 400) {
                 callback("Invalid Fields: " + JSON.stringify(body));
                 return;
-            }
+            };
+            
+            callback(response.statusCode + ': Error while adding comment');
         });
     };