Merge pull request #93 from stephenh/fix-excluding-pgsodium-schema

fix(main): escape underscore to avoid over-ignoring schemas

fix: update indexable-array

fix: update github actions

feat: add deferred to contraints

docs: fix readme

fix: fix build process

test: remove test

fix: fix empty returning relation name

feat: add relation.type attribute

Template engine which may not have access to instanceof, can use relation.type

fix: fix column.minValue and column.maxValue

Mminimum and maximum values for exact fractional numbers are not possible with native JS types.