Takes
A reference to the current value you're going to be massaging.
encode works in place,
massaging whatever value_ref refers to.
A Jifty::DBI::Column object, whatever sort of column we're working with here.
encode takes data that users are handing to us and marshals it into a form suitable for sticking it in the database.
This could be anything from flattening a DateTime object into an ISO date to making sure that data is utf8 clean.
decode takes data that the database is handing back to us and gets it into a form that's OK to hand back to the user.
This could be anything from flattening a DateTime object into an ISO date to making sure that data is utf8 clean.
