Return time values as string instead of Time instances
Return time values as string instead of Time instances

Vertica/PostgreSQL "time" values really shouldn't correspond to Ruby Time objects, because the Ruby ones include a date as well. Use strings for now, we may want to use a custom class later on.
civitaspo/vertica,civitaspo/vertica,wvanbergen/vertica,manastech/vertica,manastech/vertica,SalvatoreT/vertica,wvanbergen/vertica