Add ability to fetch model from settings
Fix numeric validator error with associated attributes

Issue occurs when both the associated model and current model support the same setting. In this case, the comparison would be made against both the associated model and current model, and fail validation if either failed.
Improve settings_proxy model getter spec
Ignore safeattributes.db
Merge branch 'feature/fetch_model_from_settings' into develop
Version bump to 1.11
Merge branch 'release/fetch_model_from_settings_proxy'