{-WETT
Authors:
  Georgi Dikov
  Martin Mihaylov

1) The code below implements very basic Othello AI including:
- simple Heauristic evaluation function
- Negamax with alpha-beta pruning

2) What could be further implemented:
- Bitboards (http://en.wikipedia.org/wiki/Bitboards)
- Transposition Tables
- Opening books
- Endgame books
- Move Ordering
- Variation chashing
- and many other optimizations...

References: 
http://www.samsoft.org.uk/reversi/strategy.htm
http://en.wikipedia.org/wiki/Negamax#NegaMax_with_Alpha_Beta_Pruning
http://othellomaster.com/OM/Report/HTML/report.html#SECTION00063000000000000000

-}