Use custom Whoops CSS even when using custom vendor path
Merge pull request #2220 from adamwathan/whoops-css

Use custom Whoops CSS even when using custom vendor path
fix possible bug in session keep.
Merge remote-tracking branch 'origin/4.0' into 4.0
Added Queue::bulk method.
cast to array just in case we dont know beforehand.
Merge branch '4.0'