Dupechecker

Others

* update pathier usage

Performance improvements

* make a deep copy of 'paths' before popping in find_dupes
* speed up execution by only comparing files of the same size
Refactorings

* rename sort_by_size to group_by_size
* change function names
Docs

* update readme
Others

* add function import statements

Fixes

* fix issues during file deletion

New Features

* add cli option for excluding files
* cli can accept a list of paths to compare files from

Performance improvements

* enhance readability of delete_wizard()
Docs

* correct a few typos in pyproject.toml