Add lua file with debug and use no debug by default
Add version support to NeuralNetwork
Squashed commit of the following:

commit 01f230016585a40a8d8ad634b0974aaf3b401d60
Author: Peter Szabados <kangirigungi@gmail.com>
Date:   Mon Sep 15 22:54:46 2014 +0200

    It seems to work

commit 6df4ca64f1c6f2fc94445740d31c4793ce178010
Author: Peter Szabados <kangirigungi@gmail.com>
Date:   Mon Sep 15 07:28:49 2014 +0200

    Started refactoring NeuralNetwork
Remove unnecessary calculation
Improve drawing of trace
Use distance instead of time for trace interval
Changed some default parameters
Use parameter for iteration time limit
Merge pull request #68 from petersohn/master

Tweaks and improvements