Feature add import 754 (#762)

* Initial alpha version of import command

* Refactored

* Improved help, added --clear-metadata

* Added --clear-metadata, --exiftool to import

* Added --keyword, --title, --description

* Added --location

* Added test for --location

* Changed --auto-folder to --split-folder, added docs

* Added --walk, updated docs

* Added --check-templates

* Updated help text for import

tests/test_template.py

@@ -1228,6 +1228,9 @@ def test_filepath():
     rendered, _ = template.render("{filepath.parent}", options)
     assert rendered[0] == "/foo"
 
+    rendered, _ = template.render("{filepath.parent.name}", options)
+    assert rendered[0] == "foo"
+
     rendered, _ = template.render("{filepath.stem}", options)
     assert rendered[0] == "bar"