Update test dependency

Merge pull request tdewolff#490 from Keftcha/master

Correct container usage (correct tdewolff#489)

Add more potential JS tests

JS: write a!=null?a():undefined as a?.()

Fix test

JS: change character order for JS variable renaming of 2 or more char…

…acters, improves GZIP compression

Fix bug

HTML: fix attribute quoting bugs

Merge branch 'master' of github.com:tdewolff/minify

Merge branch 'master' of github.com:tdewolff/minify