Update composer.json to add Carbon

Carbon is a really nice class. Laravel uses it in eloquent for the timestampable stuff. It extends \DateTime but makes comparison really nice.
Merge pull request #74 from scottconrad/master

Update composer.json to add Carbon
Merge pull request #78 from ExchangeCore/master

Selecting "Edit Area Design" gives Class not found errors & revamp on class
PHPDocumented the CustomStylePreset class

Got rid of Load function and integrated it straight into the getByID function.

Changed getCustomStyleRule to use a cached copy instead of requerying for the object every time it is accessed, with optional requery parameter.

Deprecated old functions in favor of new more abbreviated naming
Merge branch 'master' into CustomStylePresets
Fixed Collection CustomStyleRule namespacing issue
Merge pull request #83 from ExchangeCore/CustomStylePresets

Custom style presets revamp
Merge pull request #84 from ExchangeCore/CollectionNamespacingCorrection

Fixed Collection CustomStyleRule namespacing issue