util.operators: ensure object is not null when checking for array likeness
util.operators: ensure object is not null when checking for array likeness

documentcloud/underscore-contrib,Leeds-eBooks/underscore-contrib,RandomSeeded/underscore-contrib,documentcloud/underscore-contrib,Leeds-eBooks/underscore-contrib,daejinseok/underscore-contrib,RandomSeeded/underscore-contrib,qhenkart/underscore-contrib,qhenkart/underscore-contrib,bruun/underscore-contrib,bruun/underscore-contrib,daejinseok/underscore-contrib