Update use of new Redash v5 queries API.

Fixes #79

redash_client/client.py

@@ -344,14 +344,14 @@ class RedashClient(object):
     return fork
 
   def search_queries(self, keyword):
-    url_path = "queries/search?q={0}&{1}".format(keyword, self._url_params)
+    url_path = "queries?q={0}&{1}".format(keyword, self._url_params)
     query_url = urljoin(self.API_BASE_URL, url_path)
 
     json_result, response = self._make_request(
         requests.get, query_url)
 
     templated_queries = []
-    for query in json_result:
+    for query in json_result["results"]:
       query_id = query.get("id", None)
       visualization = self._get_visualization(query_id)
       options = visualization.get("options", None)

redash_client/tests/test_redash.py

@@ -411,12 +411,14 @@ class TestRedashClient(AppTest):
 
   def test_search_queries_returns_correct_attributes(self):
     self.get_calls = 0
-    QUERIES_IN_SEARCH = [{
-        "id": 5,
-        "description": "SomeQuery",
-        "name": "Query Title",
-        "data_source_id": 5
-    }]
+    QUERIES_IN_SEARCH = {
+        "results": [{
+            "id": 5,
+            "description": "SomeQuery",
+            "name": "Query Title",
+            "data_source_id": 5
+        }]
+    }
     VISUALIZATIONS_FOR_QUERY = {
         "visualizations": [
             {"options": {}},