bump to cascading.kryo 0.4.6
bump to cascading.kryo 0.4.6

nathanmarz/elephantdb,kangkot/elephantdb,yieldbot/elephantdb,nathanmarz/elephantdb,yieldbot/elephantdb,kangkot/elephantdb,kangkot/elephantdb,yieldbot/elephantdb,nathanmarz/elephantdb