Features
1. [112](https://github.com/influxdata/influxdb-client-python/pull/113): Support timestamp with different timezone in _convert_timestamp
1. [120](https://github.com/influxdata/influxdb-client-python/pull/120): ciso8601 is an optional dependency and has to be installed separably
1. [121](https://github.com/influxdata/influxdb-client-python/pull/121): Added query_data_frame_stream method
1. [132](https://github.com/influxdata/influxdb-client-python/pull/132): Use microseconds resolutions for data points
Bug Fixes
1. [117](https://github.com/influxdata/influxdb-client-python/pull/117): Fixed appending default tags for single Point
1. [115](https://github.com/influxdata/influxdb-client-python/pull/115): Fixed serialization of `\n`, `\r` and `\t` to Line Protocol, `=` is valid sign for measurement name
1. [118](https://github.com/influxdata/influxdb-client-python/issues/118): Fixed serialization of DataFrame with empty (NaN) values
1. [130](https://github.com/influxdata/influxdb-client-python/pull/130): Use `Retry-After` header value for Retryable error codes