1.3.0 - 2017-10-10

Added array_to_count.

1.2.0 - 2017-10-03

Changed array_to_min, array_to_max, and array_to_min_max to permit NULL elements in the input array.

1.1.1 - 2017-09-23

Fixed SMALLINT handling in array_to_hist.

1.1.0 - 2017-09-20

Added array_to_hist_2d function.

1.0.0 - 2014-12-07

Initial release.