Class vector syntax doesn't work

[kwrooijen]

Currently, the following syntax does not produce the expected output:

[:div.baz {:class [:foo]} bar]

Expected:

<div class="baz foo">bar</div>

Actual:

<div class="baz [:foo]">bar</div>

[jeluard]

Hey! I don't maintain this repo anymore.. But I would be happy to merge any PR fixing this :)