Revise name of yaku patter
San Ankou (3 concealed pons) code & tests
San Kan Tsu (3 kans) code & tests
Put wining type (tsumo or ron) in the hand classe

Switch the winning type to the hand classe instead of just in the fu
calculator. Because we want to use it for some yaku pattern check
Menzen Tsumo (concealed hand) code & tests