Allows two models to use the same table but have different primary keys.

Warning removed "warning: (...) interpreted as grouped expression"

Move delegation reponsibilities of Relation to a module. Also precompile method missing calls for rofscale.

Small typo in Rails::Engine documentation

Clean up the cache before the request in case we are running in the reload_classes_only_on_change schema.

Added .sass-cache/ directory to the genrated gitignore in engines.

Allow nested attributes in associations to update values in it's owner o...

Fixed typo in comments

Remove autoload for non-existent file