Fix README after recent Github markdown formatting change.

Jonathon Belotti · web-flow · commit 04e077584648 · 2017-05-22T19:22:06.000+10:00
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 # Sudkamp Languages And Machines - Python 3
 
 All the algorithms from Sudkamp's [Languages and Machines](http://www.amazon.com/Languages-Machines-Introduction-Computer-Science/dp/0321322215) implemented in *Python 3*.
