dora remove_red (not bug but dirty) and README's English miss
slite source code fix
increase dora's value
fatal bug: ukeire_list_removed when yakunashi count[i] becomes negative
risk estimate by search
pai#num bug: num ranges over 0 to 8
bug: num ranges over 0..8
Adding debug main. Mjai-silica-debug reads from the given file.
changing many things... shanten.rb's bug is the most important
merge danger_estimate_by_search