public / sequelize

… actually did the work

Enabled onDelete and onUpdate constraints for n:m

include all improvement

…s from n:m constraint tests

…e default, made cascade / set null the default for hasone and belongsto

write test case to expose vacum getter bug

…s from n:m constraint tests

fix(dao): HSTORE checking like ENUM

…e default, made cascade / set null the default for hasone and belongsto