Added support for passing an Eloquent Collection to sync() when inserting on a many-to-many relationship instead of just an array of IDs
Add 'except' and 'only' methods to Eloquent Collection class.
Improve HTTP\Response test coverage
Remove unused argument and fix usage doc for Http\Request->is()
Improve HTTP\Request test coverage
Improve HTTP\RedirectResponse test coverage
Add flush test for Http\Request
Merge pull request #3408 from ebollens/tests-Illuminate_Http

Improve HTTP test coverage
Fix comments.
namespace

[ErrorException]
must be an instance of Blueprint, instance of Illuminate\Database\Schema\Blueprint given
Flash previous URL to session at the end of each request.
fix count when the key is an attribute written in dot notation
Increment version.
Merge pull request #3412 from Shhu/patch-1

namespace
Fixed dependencies
Use referer header if it exists.
Merge pull request #3432 from GrahamCampbell/4.1-composer

Fixed Whoops Version
Fix order of Redirect::back
Remove previous URL stuff from session. Bad idea.
Increment version.