Dash-table

Changed
- Rename selected_cell -> selected_cells [181](https://github.com/plotly/dash-table/pull/181) [#177](https://github.com/plotly/dash-table/issues/177)

Fixed
- Fix regressions linked to the style_as_list_view feature / prop [179](https://github.com/plotly/dash-table/pull/179)

Changed
- Improved props docstrings [163](https://github.com/plotly/dash-table/issues/163)

Changed
- Sort ascending on first click [164](https://github.com/plotly/dash-table/pull/164) [#118](https://github.com/plotly/dash-table/issues/118)
- Flips icons displayed so that they are pointing up on ascending and down on descending.

Changed
- Improve props typing [158](https://github.com/plotly/dash-table/pulls/158) [#143](https://github.com/plotly/dash-table/issues/143)

Changed
- Make table id optional (generate random one if needed) [155](https://github.com/plotly/dash-table/pulls/155) [#139](https://github.com/plotly/dash-table/issues/139)