fix bug in eloquent model and update version.
Merge branch 'staging'
Merge branch 'develop' into staging
fix tests.
revert eloquent back to 3.2.3
Merge branch 'develop' of github.com:laravel/laravel into develop
Merge branch 'master' of github.com:laravel/laravel
update change log.
Merge pull request laravel#695 from daylerees/profiler-upgrade profiler upgrade additions