Allow multiple statements in single query
Allow multiple statements in single query

Allows users to pass in multiple ;-separated queries into the same call.
Returns a list of ResultSet instances, as if the query() method had been
mapped across the different queries.

```python
client.query("SELECT * FROM mymeas WHERE time>now()-1h; " \
    "SELECT * FROM othermeas WHERE time>now-1h")
```

BenHewins/influxdb-python,BenHewins/influxdb-python,Asimmetric/influxdb-python,influxdb/influxdb-python,influxdata/influxdb-python,wx00/influxdb-python,influxdb/influxdb-python,wx00/influxdb-python,Asimmetric/influxdb-python,tzonghao/influxdb-python,tzonghao/influxdb-python,omki2005/influxdb-python,influxdata/influxdb-python,omki2005/influxdb-python