Added FluentDOM\Query::before()
Added FluentDOM\Query::children()
Added FluentDOM\Query::closest()
Added FluentDOM\Query::contents()
Added FluentDOM\Query::data()
Added FluentDOM\Data
Added FluentDOM\Query::eq()
Added FluentDOM\Query::filter()
Added FluentDOM\Query::first()
Added FluentDOM\Query::last()
Added FluentDOM\Query::get()
Added FluentDOM\Query::has()
Added FluentDOM\Query::index()
Added FluentDOM\Query::insertAfter()
Added FluentDOM\Query::insertBefore()