diff --git a/README b/README
new file mode 100644
index 0000000..18cdb3c
--- /dev/null
+++ b/README
@@ -0,0 +1,38 @@
+Magento Python
+**************
+
+Python library to connect Magento Webservices
+
+Check documentation source code
+
+Examples:
+
+from magento import *
+
+url = 'http://domain.com/'
+apiuser = 'user'
+apipass = 'password'
+
+"""Product"""
+with Product(url, apiuser, apipass) as product_api:
+    ofilter = {'created_at':{'from':'2011-09-15 00:00:00'}}
+    products = product_api.list(ofilter)
+
+with ProductTypes(url, apiuser, apipass) as product_type_api:
+    product_type = product_type_api.list()
+    
+with Product(url, apiuser, apipass) as product_api:
+    sku = 'prod1'
+    product = product_api.info(sku)
+
+"""Websites"""
+with API(url, apiuser, apipass) as magento_api:
+    websites = magento_api.call('ol_websites.list', [])
+    store_group = magento_api.call('ol_groups.list', [])
+    store_views = magento_api.call('ol_storeviews.list', [])
+
+"""Order"""
+with Order(url, apiuser, apipass) as order_api:
+    order_increment_id = '100000001 '
+    status = 'canceled'
+    order_api.addcomment(order_increment_id, status)
diff --git a/magento/__init__.py b/magento/__init__.py
index 533ae23..5aab63c 100644
--- a/magento/__init__.py
+++ b/magento/__init__.py
@@ -14,7 +14,7 @@
             'Country', 'Region',
             'Category', 'CategoryAttribute', 'Product', 'ProductAttribute',
             'ProductAttributeSet', 'ProductTypes', 'ProductImages',
-            'ProductTierPrice', 'ProductLinks', 'Inventory',
+            'ProductTierPrice', 'ProductLinks', 'ProductConfigurable', 'Inventory',
             'Order', 'Shipment', 'Invoice',
             ]
 
@@ -24,5 +24,5 @@
 from catalog import Category, CategoryAttribute
 from catalog import Product, ProductAttribute, ProductAttributeSet
 from catalog import ProductTypes, ProductImages, ProductTierPrice
-from catalog import ProductLinks, Inventory
+from catalog import ProductLinks, ProductConfigurable, Inventory
 from sales import Order, Shipment, Invoice
diff --git a/magento/catalog.py b/magento/catalog.py
index ff8749a..ca8a8ef 100644
--- a/magento/catalog.py
+++ b/magento/catalog.py
@@ -363,6 +363,15 @@ def list(self, attribute_set_id):
         """
         return self.call('catalog_product_attribute.list', [attribute_set_id])
 
+    def info(self, attribute):
+        """
+        Retrieve product attribute info
+
+        :param attribute: ID or Code of the attribute
+        :return: `list` of `dict`
+        """
+        return self.call('ol_catalog_product_attribute.info', [attribute])
+
     def options(self, attribute, store_view=None):
         """
         Retrieve product attribute options
@@ -635,6 +644,49 @@ def attributes(self, link_type):
         """
         return self.call('catalog_product_link.attributes', [link_type])
 
+class ProductConfigurable(API):
+    """
+    Product Configurable API for magento
+    """
+    __slots__ = ( )
+
+    def info(self, product):
+        """
+        Configurable product Info
+
+        :param product: ID or SKU of product
+        :return: List
+        """
+        return self.call('ol_catalog_product_link.list', [product])
+
+    def getSuperAttributes(self, product):
+        """
+        Configurable Attributes product
+
+        :param product: ID or SKU of product
+        :return: List
+        """
+        return self.call('ol_catalog_product_link.listSuperAttributes', [product])
+
+    def update(self, product, linked_products, attributes):
+        """
+        Configurable Update product
+
+        :param product: ID or SKU of product
+        :param linked_products: List ID or SKU of linked product to link
+        :param attributes: dicc
+        :return: True/False
+        """
+        return bool(self.call('ol_catalog_product_link.assign', [product, linked_products, attributes]))
+
+    def remove(self, product, linked_products):
+        """
+        Remove a product link configurable
+
+        :param product: ID or SKU of product
+        :param linked_products: List ID or SKU of linked product to unlink
+        """
+        return bool(self.call('ol_catalog_product_link.remove', [product, linked_products]))
 
 class Inventory(API):
     """
diff --git a/magento/customer.py b/magento/customer.py
index 0e36873..a7cd68a 100644
--- a/magento/customer.py
+++ b/magento/customer.py
@@ -36,7 +36,7 @@ def list(self, filters=None):
             Example: `{'firstname':{'ilike':'sharoon'}}`
         :return: List of dictionaries of matching records
         """
-        return self.call('customer.list', filters and [filters] or [])
+        return self.call('customer.list', filters and [filters] or [{}])
 
     def create(self, data):
         """