changed the way the useModel flag is handled

Signed-off-by: Blessing Osakue <iyoworks@gmail.com>
Merge branch 'master' of github.com:iyoworks/Entity

Signed-off-by: Blessing Osakue <iyoworks@gmail.com>

Conflicts:
	src/Iyoworks/Entity/Database/EntityBuilder.php
	src/Iyoworks/Entity/Database/ModelToEntityTrait.php