Add a poker hand generator

Sample output:
Black: QC JH 4S 7D AD  White: 8D 5D TD QD TH

Takes one paramter, number of hands to generate
Add a poker hand checker

Takes input formatted as output by generate.py, and spits out the
winning and losing hands.

TODOs:
  - Check kickers on 2-pair, flushes
Move my code into jgilbert tree
Merge pull request #4 from jgilbert/master

Add John's Python solution