NYKevin

Descriptor example doesn't handle multiple instances

2

If the user instantiates multiple `Distance` objects, the descriptors will interfere with each other. There are two (and-a-half) ways to fix this: 1. Attach a [`weakref.WeakKeyDictionary`](https://docs.python.org/3/library/weakref.html#weakref.WeakKeyDictionary) to instances of `Meter`....

[Issue]: Album Favorites "Play all" and "Shuffle" buttons only play one album at a time

4

### Please describe your bug **Steps to reproduce**: 0. Have a library containing multiple music albums. 1. Favorite at least two albums (I favorited a large number, not sure if...