Handle a NoResults response from Amazon for the search items endpoint.

Fixes #22.

Author: YPCrumble

amazon/paapi.py

@@ -289,6 +289,8 @@ def search_products(self, item_count=10, item_page=1, items_per_page=10, keyword
                 if response.errors is not None:
                     raise AmazonException(response.errors[0].code, response.errors[0].message)
             except Exception as e:
+                if e.status == "NoResults":
+                    break
                 raise AmazonException('ResponseError', e)
             item_page += 1
             if item_page > 10: