Fixed a serious bug that broke cross validation (and correctness of training).
Fixed a serious bug that broke cross validation (and correctness of training).

prateek05/crfsuite,dmit25/crfsuite,dmit25/crfsuite,prateek05/crfsuite,ExpResults/partial-crfsuite,ExpResults/partial-crfsuite,dmit25/crfsuite,ExpResults/partial-crfsuite,prateek05/crfsuite,prateek05/crfsuite,abicky/crfsuite,Maluuba/crfsuite,Maluuba/crfsuite,abicky/crfsuite,abicky/crfsuite,prateek05/crfsuite,abicky/crfsuite,dmit25/crfsuite,abicky/crfsuite,prateek05/crfsuite,abicky/crfsuite,prateek05/crfsuite,ExpResults/partial-crfsuite,ExpResults/partial-crfsuite,dmit25/crfsuite,Maluuba/crfsuite,Maluuba/crfsuite,ExpResults/partial-crfsuite,Maluuba/crfsuite,abicky/crfsuite,dmit25/crfsuite,Maluuba/crfsuite