Another CSS fix for "dd()"

Remove useless check on $glue argument

Reset indentation and sort words

Merge pull request #4886 from JosephSilber/reject-use-filter

Use negated filter for reject

Useless foreach constructor

Merge pull request #5181 from GrahamCampbell/4.2-helpers

[4.2] Additional Helper Fixes

Cleaning up code. Fixing stuff. Tests.

Work on comment.

Work on comment.

Added reject method to collection.