lib/hapiCrudHelper.js
function underscore(baseQuery) {
  return _.mapKeys(baseQuery, function(v, k) {
    return tableColumnRenamer.underscore(k)
  })
}
function underscore(baseQuery) {
  return _.mapKeys(baseQuery, function(v, k) {
    return tableColumnRenamer.underscore(k)
  })
}
Returns a map with baseQuery's keys converted to underscore_case.