Updated aggregateList example in readme and quickstart. Also changed indexation in query_api.py to avoid an index error occuring when using the client as suggested in documentation.

Author: mhavgar

README.md

@@ -55,7 +55,7 @@ data = client.query.getDataById(
     timeseries=["timeseries_id1", "timeseries_id2"],
     timespan=["2019-12-12T15:35:11.68Z", "2019-12-12T17:02:05.958Z"],
     interval="PT5M",
-    aggregateList=["avg"],
+    aggregateList=["avg", "avg"],
     useWarmStore=False
 )
 ````

TSIClient/query/query_api.py

@@ -669,7 +669,12 @@ def _getData(
                         if isinstance(aggregateList, list):
                             for idx, agg in enumerate(aggregateList):
                                 currColName  = colNames[i] + "/" + agg
-                                df[currColName] = response["properties"][idx]["values"]
+                                # print(len(response['properties']))
+                                # print(type(response['properties']))
+
+                                # print(type(response['properties'][0]))
+
+                                df[currColName] = response["properties"][0]["values"]
                         else:
                             df[colNames[i]] = response["properties"][0]["values"]