Expand edit functionality to support multiple items via export-to-import.

TODO:

- [x] Wait for #45 
- [x] Wait for #66.
- [ ] create a generic file launching function that:
    - [ ] wait for one second to let the process attempt to launch
    - [ ] prompts 'Y/n' to import the modified files 
- [ ] refactor `_run*` functions into `commands.py`