Release 2.0.0. New mode: Update (only) geometries when duplicates are…

… found

Release 1.5.0. Enhance appending/updating PKs in target layer

Release 1.4.1

Release 1.4.0: When updating features, don't attempt to update PKs, s…

…ince that won't be possible

Release v1.3.0: When updating a spatial layer from a non-spatial tabl…

…e, do not overwrite geometries; when updating GeoPackage features, avoid attempting to update the FID field (since it's not possible).

Release v1.2

Update README.md

Release v1.0.0 (fix #1)

Release v0.2.0

Update README.md