create Delivery loop

local/config/schema.xml

@@ -605,6 +605,7 @@
     <column name="description" type="CLOB" />
     <column name="chapo" type="LONGVARCHAR" />
     <column name="postscriptum" type="LONGVARCHAR" />
+    <column name="full_namespace" size="255" type="VARCHAR" />
     <unique name="code_UNIQUE">
       <unique-column name="code" />
     </unique>

local/modules/Colissimo/Colissimo.php

@@ -57,9 +57,10 @@ class Colissimo extends BaseModule implements DeliveryModuleInterface
      *
      * calculate and return delivery price
      *
+     * @param null $country
      * @return mixed
      */
-    public function calculate()
+    public function calculate($country = null)
     {
         // TODO: Implement calculate() method.
         return 2;