Correcting an issue with buildSchema.
Correcting an issue with buildSchema.

If the attribute is passed as a string, recreate it as an object
and process it normally.

particlebanana/sails-postgresql,Ozhvankov/sails-postgresql,kevinburke/sails-postgresql,Shyp/sails-postgresql,jianpingw/sails-postgresql,balderdashy/sails-postgresql,granteagon/sails-postgresql,KeKs0r/sails-postgresql,waterlinejs/postgresql-adapter,icirellik/sails-postgresql,wwwslinger/sails-aws-redshift,18F/sails-postgresql,spaghetti-/sails-postgresql,anotherpit/sails-postgresql,Georepublic/sails-postgresql