Implements the eq method
Implements all other comparison methods. We can now compare two hands. I think we can actually finish now
Implement a who_wins method, that finds who has the better hand in a game of two poker players
Fixes a rank bug
Fixes several bugs. Game 24 runs in infinite loop though, trying to see why
MAin code is finished. There is a bug that makes the code gives a wrong result. Lots of statisitcs code has been added to investigate this