v3.0.49

• Added customTypesFilter in GroupChannelListQuery to search groupChannel.
• Added getOriginalProfileUrl() in User for getting original profile image.
• Added Friend feature.
  • uploadFriendDiscoveries(): add friend using discovery key.
  • deleteFriendDiscovery() / deleteFriendDiscoveries(): delete friend's discovery key.
  • addFriends(): add friend using friend's userID.
  • deleteFriend() / deleteFriends(): delete friend using friend's userID.
  • createFriendListQuery(): create object for getting friend list.
  • getFriendChangeLogsByToken(): get friend relation changed log.
  • addUserEventHandler(): add handler for receiving user event.
  • removeUserEventHandler() / removeAllUserEventHandler(): remove user event handler.
  • UserEventHandler: user event handler object.
• From now, even when you call connect() before the previous connect() finishes, all of them get called back for the connection establishment result at the same time.