added equals and hashCode
added equals and hashCode

mohsen-khaxar/jposee,Koulio/jposee,carlstaana/jposee,carlstaana/jposee,sheldin/jposee,gunawanlachner/jposee,Koulio/jposee,sheldin/jposee,aungmyo/jposee,DalleStephane/jposee,aungmyo/jposee,Koulio/jposee,mohsen-khaxar/jposee,carlstaana/jposee,gunawanlachner/jposee,carlstaana/jposee,Koulio/jposee,gunawanlachner/jposee,aungmyo/jposee,sheldin/jposee,DalleStephane/jposee,mohsen-khaxar/jposee,DalleStephane/jposee,sheldin/jposee,gunawanlachner/jposee,mohsen-khaxar/jposee,DalleStephane/jposee,aungmyo/jposee