From 73578911e8fef2e77bcd8627db415ede721ef1e4 Mon Sep 17 00:00:00 2001
From: FishbaitHarry
Get a model from a collection, specified by index. Useful if your collection
is sorted, and if your collection isn't sorted, at will still
- retrieve models in insertion order.
+ retrieve models in insertion order. When passed a negative index, it
+ will retrieve the model from the back of the collection.