EX-1 Implemented function to extract suit
EX-2 Implemented function to extract rank as a number
EX-3 Implemented function to determine if a pair is in hand
EX-4 EX-5 Extracted determination of at least one rank having a given arity into its own function and (re)implemented pair, 3 and 4 of a kind using it.
EX-6 Implemented function to determine if there is a flush in hand
EX-7 Implemented function to determine if a full house is in hand, also split rank-count extraction into its own function.
EX-8 Added function to determine if two pairs are in hand
EX-9 Implemented straight? function
EX-10 Implemented straight-flush? function
EX-11 Implemented hand valuation function, also added a high-card checker function as a helper