Formatted Output for Field Names

Merge pull request VentureCraft#54 from VentureCraft/develop

allow for %s in isEmpty formatter

Merge pull request VentureCraft#53 from VentureCraft/develop

Adding support for soft deletes

Merge pull request VentureCraft#52 from VentureCraft/develop

User ID update and documentation link fix

Adding support for using revisionable as a trait

Merge pull request VentureCraft#34 from VentureCraft/develop

readme update for supporting Sentry

Adding support for Sentry by Cartalyst

Merge pull request VentureCraft#25 from VentureCraft/develop

Changing illuminate/support version requirement, to allow for upcoming 4.1 release

remove version number from composer, leave it up to the tag system

read me updates