diff --git a/agilecrm/agilecrm.js b/agilecrm/agilecrm.js
index f8b3fde..b512697 100644
--- a/agilecrm/agilecrm.js
+++ b/agilecrm/agilecrm.js
@@ -176,7 +176,11 @@ ContactAPI.prototype.add = function add(contact, success, failure) {
                 failure(e);
             }
         });
-    });
+    }).on("error", function(e){
+		if (failure) {
+			failure(e);
+		}
+	});
 
     try {
         var data = JSON.stringify(contact);
@@ -219,7 +223,11 @@ ContactAPI.prototype.update = function update(contact, success, failure) {
                 failure(e);
             }
         });
-    });
+    }).on("error", function(e){
+		if (failure) {
+			failure(e);
+		}
+	});
 
     try {
         var data = JSON.stringify(contact);
@@ -258,7 +266,11 @@ ContactAPI.prototype.deleteContact = function deleteContact(contactId, success,
                 failure(e);
             }
         });
-    });
+    }).on("error", function(e){
+		if (failure) {
+			failure(e);
+		}
+	});
 
     try {
         del.end();
@@ -295,7 +307,11 @@ ContactAPI.prototype.updateTagsById = function update(contact, success, failure)
                 failure(e);
             }
         });
-    });
+    }).on("error", function(e){
+		if (failure) {
+			failure(e);
+		}
+	});
 
     try {
         var data = JSON.stringify(contact);
@@ -334,7 +350,11 @@ ContactAPI.prototype.deleteTagsById = function update(contact, success, failure)
                 failure(e);
             }
         });
-    });
+    }).on("error", function(e){
+		if (failure) {
+			failure(e);
+		}
+	});
 
     try {
         var data = JSON.stringify(contact);
@@ -373,7 +393,11 @@ ContactAPI.prototype.createDeal = function createDeal(opportunity, success, fail
                 failure(e);
             }
         });
-    });
+    }).on("error", function(e){
+		if (failure) {
+			failure(e);
+		}
+	});
 
     try {
         var data = JSON.stringify(opportunity);
@@ -412,7 +436,11 @@ ContactAPI.prototype.updateDeal = function updateDeal(opportunity, success, fail
                 failure(e);
             }
         });
-    });
+    }).on("error", function(e){
+		if (failure) {
+			failure(e);
+		}
+	});
 
     try {
         var data = JSON.stringify(opportunity);
@@ -523,7 +551,11 @@ ContactAPI.prototype.deleteDealById = function deleteDealById(dealId, success, f
                 failure(e);
             }
         });
-    });
+    }).on("error", function(e){
+		if (failure) {
+			failure(e);
+		}
+	});
 
     try {
         del.end();
@@ -560,7 +592,11 @@ ContactAPI.prototype.createNote = function createNote(note, success, failure) {
                 failure(e);
             }
         });
-    });
+    }).on("error", function(e){
+		if (failure) {
+			failure(e);
+		}
+	});
 
     try {
         var data = JSON.stringify(note);
@@ -599,7 +635,11 @@ ContactAPI.prototype.updateNote = function updateNote(note, success, failure) {
                 failure(e);
             }
         });
-    });
+    }).on("error", function(e){
+		if (failure) {
+			failure(e);
+		}
+	});
 
     try {
         var data = JSON.stringify(note);
@@ -673,7 +713,11 @@ ContactAPI.prototype.deleteNoteById = function deleteNoteById(contactId,noteId,
                 failure(e);
             }
         });
-    });
+    }).on("error", function(e){
+		if (failure) {
+			failure(e);
+		}
+	});
 
     try {
         del.end();
@@ -710,7 +754,11 @@ ContactAPI.prototype.createTask = function createTask(task, success, failure) {
                 failure(e);
             }
         });
-    });
+    }).on("error", function(e){
+		if (failure) {
+			failure(e);
+		}
+	});
 
     try {
         var data = JSON.stringify(task);
@@ -748,7 +796,11 @@ ContactAPI.prototype.createTaskByEmail = function createTaskByEmail(email,task,
                 failure(e);
             }
         });
-    });
+    }).on("error", function(e){
+		if (failure) {
+			failure(e);
+		}
+	});
 
     try {
         var data = JSON.stringify(task);
@@ -786,7 +838,11 @@ ContactAPI.prototype.updateTask = function updateTask(task, success, failure) {
                 failure(e);
             }
         });
-    });
+    }).on("error", function(e){
+		if (failure) {
+			failure(e);
+		}
+	});
 
     try {
         var data = JSON.stringify(task);
@@ -859,7 +915,11 @@ ContactAPI.prototype.deleteTaskById = function deleteTaskById(taskId, success, f
                 failure(e);
             }
         });
-    });
+    }).on("error", function(e){
+		if (failure) {
+			failure(e);
+		}
+	});
 
     try {
         del.end();
@@ -908,7 +968,11 @@ ContactAPI.prototype.changeContactOwner = function update(email, contactId, succ
                 failure(e);
             }
         });
-    });
+    }).on("error", function(e){
+		if (failure) {
+			failure(e);
+		}
+	});
 
     try {
         put.write(post_data);
@@ -990,7 +1054,11 @@ ContactAPI.prototype.getContactsByPropertyFilter = function getContactsByPropert
                 failure(e);
             }
         });
-    });
+    }).on("error", function(e){
+		if (failure) {
+			failure(e);
+		}
+	});
 
     try {
         put.write(post_data);
@@ -1038,7 +1106,11 @@ ContactAPI.prototype.getContactsByTagFilter = function getContactsByTagFilter(va
                 failure(e);
             }
         });
-    });
+    }).on("error", function(e){
+		if (failure) {
+			failure(e);
+		}
+	});
 
     try {
         put.write(post_data);
@@ -1113,7 +1185,11 @@ ContactAPI.prototype.createCustomField = function createCustomField(customJson,
                 failure(e);
             }
         });
-    });
+    }).on("error", function(e){
+		if (failure) {
+			failure(e);
+		}
+	});
 
     try {
         var data = JSON.stringify(customJson);
@@ -1156,7 +1232,11 @@ ContactAPI.prototype.updateCustomField = function updateCustomField(customJson,
                 failure(e);
             }
         });
-    });
+    }).on("error", function(e){
+		if (failure) {
+			failure(e);
+		}
+	});
 
     try {
         var data = JSON.stringify(customJson);
@@ -1199,7 +1279,11 @@ ContactAPI.prototype.createEvent = function createEvent(customJson, success, fai
                 failure(e);
             }
         });
-    });
+    }).on("error", function(e){
+		if (failure) {
+			failure(e);
+		}
+	});
 
     try {
         var data = JSON.stringify(customJson);
@@ -1249,7 +1333,11 @@ ContactAPI.prototype.addTagstoContacts = function addTagstoContacts(tags,contact
                 failure(e);
             }
         });
-    });
+    }).on("error", function(e){
+		if (failure) {
+			failure(e);
+		}
+	});
 
     try {
         put.write(post_data);
@@ -1298,7 +1386,11 @@ ContactAPI.prototype.deleteTagstoContacts = function deleteTagstoContacts(tags,c
                 failure(e);
             }
         });
-    });
+    }).on("error", function(e){
+		if (failure) {
+			failure(e);
+		}
+	});
 
     try {
         put.write(post_data);
@@ -1348,7 +1440,11 @@ ContactAPI.prototype.getCompaniesByPropertyFilter = function getCompaniesByPrope
                 failure(e);
             }
         });
-    });
+    }).on("error", function(e){
+		if (failure) {
+			failure(e);
+		}
+	});
 
     try {
         put.write(post_data);