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.
fix code and test
Easier testing of Eloquent query SQL
Fix class based replacers.
Increment version.
Add $path param for docblock
Merge pull request #3454 from rossey/patch-2

Add $path param for docblock
Make getDictionary public
Merge pull request #3466 from JosephSilber/unprotect-get-dictionary

Make Eloquent\Collection::getDictionary() public
remove comment
Merge pull request #3436 from anlutro-pull-requests/elq-nested-where-fix

Fix nested Eloquent queries and softdeletes
Merge pull request #3437 from anlutro-pull-requests/elq-builder-sql-testing

Easier testing of Eloquent query SQL