ArtNet-Desktop/ArtNet
Peery b37a21d785 Half-done collections and UI changes
Minor tweaks and refactors. A half-baked collection support and several UI tweaks.

Just committing these are they are "old" changes and the current state turns out to be pretty stable.
..
db Half-done collections and UI changes
file Half-done collections and UI changes
gui Half-done collections and UI changes
web URL prediction verification with file name pattern
__init__.py ArtNet App
artnet_manager.py Half-done collections and UI changes
singleton_manager.py Half-done collections and UI changes