1) Fixed a bug in method updatePOS(). 2) Override equals() and hashCode() into WordPOSValue class. 3) Added test cases and tested case 0 and case 1 in method updatePOS(). 4) made all data hoders be private, and added public methods to provide access to them.
Merge branch 'master' of https://github.com/dongyemeng/charaparser-unsupervised