By Simon Jessop and Barani Krishnan (Reuters) - To make money from the sharp fall in oil prices this year, it helped if you weren't human. While a handful of big name traders have profited from some of oil's 35 percent plunge, it has been computer-based or "systematic" funds which have captured much of the spoils. These black box funds use programs to follow various asset classes and look to latch on to market trends. So after crude lost 46 percent in 2014, they were already betting strongly at the start of this year that the trend would continue, largely...