Add greater/less than operators to strings in the query tool for HTML5 Viewer

I need to be able to compare strings to a values with greater than or less than in the query tool, check this link in the Essentials HTML5 Viewer forum for screenshot and an explanation: https://support.geocortex.com/essentialsGSCForum?sub-nav=forum&main-nav=essentials&#!/feedtype=SINGLE_QUESTION_DETAIL&dc=Geocortex_Viewer_for_HMTL5&criteria=ALLQUESTIONS&id=90660000000PDqmAAG

Thank you for your consideration,
Mike Hickok