Fixes migrations

What fixes?

• Migrations statements where not executed correctly. #16

Fixes sample file

What fixes?

• The settings/users.php file contents was fixed. #13

Fixes OutputStyle instance and sample publishing

What fixes?

• Sample file was not published correctly. #11
• OutputStyle was not shared across migrator pipes. #11

Fixed wrong provider class path

What's fixed?

• Automatic provider discovery fixed. (don't tell anyone!)

Fixes migration publishing

What fixes?

• Migrations where incorrectly published, or not if there were already published. #8

Enhanced `whereConfig`

What's new?

• Added orWhereConfig().
• Enhanced whereConfig(), as it now supports operators: User::whereConfig('joysticks', '>', 5)->first().

Minor fixes and typos

Merge pull request #6 from DarkGhostHunter/master

Minor fixes and typos

Better filtering scopes, auto-delete

What's added?

• Added the FilterBags global scope to filter settings set by the model. Can be disabled.
• Added a callback to remove child settings before the model is deleted from the database.

Minor optimizations and comments.

Nothing to read about.

Easier brainded syntax

What's changed?

• Added direct set/get for settings values using their names: $value = $user->settings->color; $user->settings->color = 'red';

What's fixed?

• The set() method on the settings now gives a better error description when the setting name isn't found.