AproximateAND test case added
test modificated
YearDisambiguator added
new_disambiguation with aproximate. New bug found in exhaustive during calculating big test case.
exhaustiveAND sim init bug fixed

new_disambiguation.pig works fine with bazekon input.
cosmetic
Merge pull request #9 from wosiu/aproximateAND

AproximateAND works. New_disambiguation integrated with aproximateAND.