Merge pull request illuminate#22 from varghesejacob/patch-1

Update trait name

Removed trailing whitespace from the form builder

Removed trailing whitespace from the form builder

Update phpdocs for better chaining

Following the PSR-5 Proposal, chained methods should use `return $this`.
New instances should use `return static`. This way, when classes are
extended, they refer to the correct class.

Update phpdocs for better chaining

Following the PSR-5 Proposal, chained methods should use `return $this`.
New instances should use `return static`. This way, when classes are
extended, they refer to the correct class.

Remove useless space

Merge branch '4.1' into 4.2

Merge branch '4.1' into 4.2

Merge branch '4.1' into 4.2

Merge branch '4.1' into 4.2