Outputs features from one shapefile that are different (based on bounding box) or don't exist in another based on a key field
Usage: shpdiff file1.shp file2.shp diff.shp
-h help
-k string
unique key to use as comparison (default: id)
-v verbose
Example: shpdiff new.shp old.shp diff.shp
TODO
- tests
- add deep compare