* refactors XYTableFilter classes to hold query_filter and checkbox_filter which are separate instances of django_filter.FilterSets
* improves render ability for frontend
<inputid="id_{{table.filter.filters.q.field_name}}" name="{{table.filter.filters.q.field_name}}" type="text"class="form-control"aria-label="{% trans 'Search for keywords' %}"placeholder="{% trans 'Search' %}"value="{{ request.GET.q }}">
<inputid="id_{{table.filter.query_filter.filters.q.field_name}}" name="{{table.filter.query_filter.filters.q.field_name}}" type="text"class="form-control"aria-label="{% trans 'Search for keywords' %}"placeholder="{% trans 'Search' %}"value="{{ request.GET.q }}">
<divclass="input-group-append"title="{% trans 'Start search' %}">
<divclass="input-group-append"title="{% trans 'Start search' %}">