--------------------- - Changed most functions to return an empty data frame instead of ``None``. - Fixed ``export`` so that integer columns, such as 'bike_allowed', that have at least on NaN value no longer get formatted as floats in the output CSVs.
0.11.10
--------------------- - Reduced columns in ``get_trips_activity``. - Added ``clean_series``.
0.11.9
--------------------- - Fixed a bug/typo in the computation of the ``service_distance`` and ``service_duration`` columns of feed stats.
0.11.8
--------------------- - Fixed a bug in the computation of the ``peak_start_time`` and ``peak_end_time`` columns of routes stats and feed stats.
0.11.7
--------------------- - Added more columns to ``get_routes_stats``. - Added ``get_feed_stats`` and ``get_feed_time_series`` and removed the similar ``agg_routes_stats`` and ``agg_routes_time_series``. - Removed ``dump_all_stats``, because it wasn't very useful. - Replaced ``get_busiest_date_of_first_week`` with ``get_busiest_date``.
0.11.6
--------------------- - Cleaned code slightly. - Added 'speed' column in trips stats. - Added 'is_loop' column in trips stats and routes stats. - Added more tests.