See discussion about exceptions in autoloader here:
https://groups.google.com/forum/?fromgroups#!topic/php-fig/kRTVRSIJ0qE

type is array in PHP documentation

this allows implementing __call() in behaviors

See this forum topic for details:
http://www.yiiframework.com/forum/index.php/topic/46629-invoke-behavior-method-through-php-magic-method-call-dosent-work/

return false, not null

- rename FileHelper::mkdir for API consistency
- changed default permission for directories to 775 instead of 777
- added some properties to classes that deal with files to allow control
  over directory permissions.

Fixes #829: loginRequired now responds with HTTP 403 in case of AJAX or loginUrl is not set (reverted from commit c2c12a90)

I think according to the framework it should return the render and otherwise the browser will stay blank...

module should extend \yii\base\Module as \yii\web\Module doesn't exist...

If this is outdated, then pls just ignore it!

- cleanup API and usage, add documetation link
- introduced @property feature in getter or setter which has precedence
  over @return or @param tag if present

fixes #811

commit in redis branch was:
0cd65e74