Hacking Tool

Added a makeshift Hacking Tool.

-The Hacking Tool let you use it as both wirecutters and multitool when hacking either a airlock or a vending machine.
![hacking tool](https://f.cloud.github.com/assets/6342371/1887003/4cdbfa1c-79f3-11e3-9191-8a9d40c91c2a.jpg)

(Sprite by MrSnapwalk.)