* Add conftest.py to source distribution
* Replacing elif, which is always True, with else by
* Migrate to pyproject.toml from setup.cfg
* Drop suport for Python 2
* Update source installation instructions
* Update gio implemenation, should fix#5 by no longer using
deprecated GObject.GError
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-Send2Trash?expand=0&rev=18
