Add selectClass to the form helper.

Merge pull request #192 from raul338/master

Add `selected` template as defined in CakePHP 3.9

Update composer.json and README for first v4 release.

Update README for 3.6.

Update README and composer for CakePHP >= 3.7.

Merge branch 'master' into v3.1.2

Update README.

[fix] Fix issues with UrlComparerTrait.

Update test for navbar.

Merge pull request #97 from lyz452/patch-1

Still trying to make the file input "multiple-files-friendly"