Bug 23893: No special care for booleans

Bug 23893: No special care for booleans

Tests pass without that changes. If we need them they should be at
Koha::Object anyway.

About the date, I also think that that should be moved to Koha::Object
(we can guess it, like we do in Koha::Object->store, retrieve the
datatype and adjust). Also we can send a DT object to DBIC, no need for
an sql formatted date

Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>