johnmetzbower/Act9_1 — pull request #2 by mishfit (2014-12-17 22:22:34+00:00)
Title: add using System.Collections to fix compile error

this should fix issue #1

All I had to do was right click on ArrayList and resolve the reference (as seen in the image below):
![resolve](https://cloud.githubusercontent.com/assets/817064/5480085/5e7f2158-8600-11e4-8841-9dfe0ba71f3d.png)