Fix issue with map duplication of serialized fields `.to_hash` returns the values as they are facing the DB (serialized) but the constructor expects them as the user sees them (deserialized). This cause options to be double-serialized on map duplication.
Fix issue with map duplication of serialized fields
`.to_hash` returns the values as they are facing the DB (serialized)
but the constructor expects them as the user sees them (deserialized).
This cause options to be double-serialized on map duplication.

CartoDB/cartodb,splashblot/dronedb,CartoDB/cartodb,CartoDB/cartodb,splashblot/dronedb,splashblot/dronedb,splashblot/dronedb,splashblot/dronedb,CartoDB/cartodb,CartoDB/cartodb