Fix set ForeignKey for embedded struct
Avoid Errors in postgres when creating a row without a GORM defined primary key (but defined db-side)
Use tableName.field or tableName.* in returning string
Fixes scan when primary key is not defined in gorm (but is defined db-size). Useful in join tables
Fix number of columns affected. Is always one. The old parameter was the numer of fields affected
Refactor callbck_create
Merge branch 'galeone-master'