Fix bug in BasicFeatureVector
Fix bug in BasicFeatureVector

keenon/jamr,isi-nlp/jamr,hopshackle/wordAlignment,keenon/jamr,jflanigan/jamr,avikalpg/jamr,gemoku/jamr,keenon/jamr,isi-nlp/jamr,hopshackle/wordAlignment,isi-nlp/jamr,gemoku/jamr,jflanigan/jamr,jflanigan/jamr,keenon/jamr,gemoku/jamr,hopshackle/wordAlignment,avikalpg/jamr,avikalpg/jamr