Fixed some docblocks
Added missing types
Merge pull request #6697 from GrahamForks/4.2-doc

[4.2] Fixed Some Docblocks
Work on URL validation.
Merging.
Whoops.
Factorize replaceIn
Fix some docblocks alignment
Merge pull request #6698 from lucasmichot/5.0-foundation-appname-replacein

[5.0] Foundation : Factorize replaceIn in AppNameCommand
Merge pull request #6699 from lucasmichot/5.0-docblocks-alignment

[5.0] Fixed Some Docblock Spacing
Make the previous URL available in the session for Redirect::back.
Merge branch 'master' of github.com:laravel/framework
allowing for camel and studly-cased mutator attributes
Restore previous behavior.
Merge pull request #6702 from janhartigan/4.2

Allowing for camel and studly-cased mutator attributes
Fix spacing.
Fix conflicts.
Remove snake_case.
Put snake_case back in for now.
Add a cache of snake, camel, and studly cased words.