* `Vector.__init__`: Accept generators/iterators * `Vector.map`: New method
0.17
=========================
* `DataFrame.print_missing_counts`: New method * `GeoJSON.read`: Handle properties differing between features * `ListOfDicts.print_missing_counts`: New method * `Vector.as_object`: New method
0.16.1
===========================
* `GeoJSON.read`: Use warnings, not errors for ignored excess feature keys
0.16
=========================
* `GeoJSON`: New class
0.15
=========================
* `ListOfDicts.sort`: Handle descending sort for all types
0.14
=========================
* `ListOfDicts`: Make obsoletion a warning instead of an error